diff options
Diffstat (limited to 'fs')
-rw-r--r-- | fs/affs/namei.c | 3 | ||||
-rw-r--r-- | fs/binfmt_flat.c | 30 | ||||
-rw-r--r-- | fs/bio.c | 3 | ||||
-rw-r--r-- | fs/cifs/CHANGES | 7 | ||||
-rw-r--r-- | fs/cifs/cifsfs.h | 2 | ||||
-rw-r--r-- | fs/cifs/cifsproto.h | 2 | ||||
-rw-r--r-- | fs/cifs/cifssmb.c | 40 | ||||
-rw-r--r-- | fs/cifs/connect.c | 97 | ||||
-rw-r--r-- | fs/cifs/file.c | 12 | ||||
-rw-r--r-- | fs/compat.c | 177 | ||||
-rw-r--r-- | fs/exportfs/expfs.c | 2 | ||||
-rw-r--r-- | fs/ext3/resize.c | 1 | ||||
-rw-r--r-- | fs/inotify.c | 9 | ||||
-rw-r--r-- | fs/jfs/jfs_metapage.c | 20 | ||||
-rw-r--r-- | fs/nfsd/export.c | 4 | ||||
-rw-r--r-- | fs/nfsd/vfs.c | 7 |
16 files changed, 263 insertions, 153 deletions
diff --git a/fs/affs/namei.c b/fs/affs/namei.c index d4c2d636c47..a42143ca016 100644 --- a/fs/affs/namei.c +++ b/fs/affs/namei.c @@ -416,10 +416,9 @@ affs_rename(struct inode *old_dir, struct dentry *old_dentry, return retval; } - retval = -EIO; bh = affs_bread(sb, old_dentry->d_inode->i_ino); if (!bh) - goto done; + return -EIO; /* Remove header from its parent directory. */ affs_lock_dir(old_dir); diff --git a/fs/binfmt_flat.c b/fs/binfmt_flat.c index 69f44dcdb0b..b1c902e319c 100644 --- a/fs/binfmt_flat.c +++ b/fs/binfmt_flat.c @@ -428,7 +428,6 @@ static int load_flat_file(struct linux_binprm * bprm, loff_t fpos; unsigned long start_code, end_code; int ret; - int exec_fileno; hdr = ((struct flat_hdr *) bprm->buf); /* exec-header */ inode = bprm->file->f_dentry->d_inode; @@ -502,21 +501,12 @@ static int load_flat_file(struct linux_binprm * bprm, goto err; } - /* check file descriptor */ - exec_fileno = get_unused_fd(); - if (exec_fileno < 0) { - ret = -EMFILE; - goto err; - } - get_file(bprm->file); - fd_install(exec_fileno, bprm->file); - /* Flush all traces of the currently running executable */ if (id == 0) { result = flush_old_exec(bprm); if (result) { ret = result; - goto err_close; + goto err; } /* OK, This is the point of no return */ @@ -548,7 +538,7 @@ static int load_flat_file(struct linux_binprm * bprm, textpos = (unsigned long) -ENOMEM; printk("Unable to mmap process text, errno %d\n", (int)-textpos); ret = textpos; - goto err_close; + goto err; } down_write(¤t->mm->mmap_sem); @@ -564,7 +554,7 @@ static int load_flat_file(struct linux_binprm * bprm, (int)-datapos); do_munmap(current->mm, textpos, text_len); ret = realdatastart; - goto err_close; + goto err; } datapos = realdatastart + MAX_SHARED_LIBS * sizeof(unsigned long); @@ -587,7 +577,7 @@ static int load_flat_file(struct linux_binprm * bprm, do_munmap(current->mm, textpos, text_len); do_munmap(current->mm, realdatastart, data_len + extra); ret = result; - goto err_close; + goto err; } reloc = (unsigned long *) (datapos+(ntohl(hdr->reloc_start)-text_len)); @@ -606,7 +596,7 @@ static int load_flat_file(struct linux_binprm * bprm, printk("Unable to allocate RAM for process text/data, errno %d\n", (int)-textpos); ret = textpos; - goto err_close; + goto err; } realdatastart = textpos + ntohl(hdr->data_start); @@ -652,7 +642,7 @@ static int load_flat_file(struct linux_binprm * bprm, do_munmap(current->mm, textpos, text_len + data_len + extra + MAX_SHARED_LIBS * sizeof(unsigned long)); ret = result; - goto err_close; + goto err; } } @@ -717,7 +707,7 @@ static int load_flat_file(struct linux_binprm * bprm, addr = calc_reloc(*rp, libinfo, id, 0); if (addr == RELOC_FAILED) { ret = -ENOEXEC; - goto err_close; + goto err; } *rp = addr; } @@ -747,7 +737,7 @@ static int load_flat_file(struct linux_binprm * bprm, rp = (unsigned long *) calc_reloc(addr, libinfo, id, 1); if (rp == (unsigned long *)RELOC_FAILED) { ret = -ENOEXEC; - goto err_close; + goto err; } /* Get the pointer's value. */ @@ -762,7 +752,7 @@ static int load_flat_file(struct linux_binprm * bprm, addr = calc_reloc(addr, libinfo, id, 0); if (addr == RELOC_FAILED) { ret = -ENOEXEC; - goto err_close; + goto err; } /* Write back the relocated pointer. */ @@ -783,8 +773,6 @@ static int load_flat_file(struct linux_binprm * bprm, stack_len); return 0; -err_close: - sys_close(exec_fileno); err: return ret; } @@ -1116,6 +1116,9 @@ struct bio_pair *bio_split(struct bio *bi, mempool_t *pool, int first_sectors) bp->bio1.bi_io_vec = &bp->bv1; bp->bio2.bi_io_vec = &bp->bv2; + bp->bio1.bi_max_vecs = 1; + bp->bio2.bi_max_vecs = 1; + bp->bio1.bi_end_io = bio_pair_end_1; bp->bio2.bi_end_io = bio_pair_end_2; diff --git a/fs/cifs/CHANGES b/fs/cifs/CHANGES index 1a27ecb46c9..7271bb0257f 100644 --- a/fs/cifs/CHANGES +++ b/fs/cifs/CHANGES @@ -1,3 +1,10 @@ +Version 1.43 +------------ +POSIX locking to servers which support CIFS POSIX Extensions +(disabled by default controlled by proc/fs/cifs/Experimental). +Handle conversion of long share names (especially Asian languages) +to Unicode during mount. + Version 1.42 ------------ Fix slow oplock break when mounted to different servers at the same time and diff --git a/fs/cifs/cifsfs.h b/fs/cifs/cifsfs.h index 4e829dc672a..c98755dca86 100644 --- a/fs/cifs/cifsfs.h +++ b/fs/cifs/cifsfs.h @@ -99,5 +99,5 @@ extern ssize_t cifs_getxattr(struct dentry *, const char *, void *, size_t); extern ssize_t cifs_listxattr(struct dentry *, char *, size_t); extern int cifs_ioctl (struct inode * inode, struct file * filep, unsigned int command, unsigned long arg); -#define CIFS_VERSION "1.42" +#define CIFS_VERSION "1.43" #endif /* _CIFSFS_H */ diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h index 2879ba343ca..310ea2f0e0b 100644 --- a/fs/cifs/cifsproto.h +++ b/fs/cifs/cifsproto.h @@ -267,7 +267,7 @@ extern int CIFSSMBLock(const int xid, struct cifsTconInfo *tcon, const int waitFlag); extern int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon, const __u16 smb_file_id, const int get_flag, - const __u64 len, const __u64 offset, + const __u64 len, struct file_lock *, const __u16 lock_type, const int waitFlag); extern int CIFSSMBTDis(const int xid, struct cifsTconInfo *tcon); extern int CIFSSMBLogoff(const int xid, struct cifsSesInfo *ses); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index fd36892eda5..925881e00ff 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -1355,7 +1355,8 @@ CIFSSMBLock(const int xid, struct cifsTconInfo *tcon, int CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon, const __u16 smb_file_id, const int get_flag, const __u64 len, - const __u64 lkoffset, const __u16 lock_type, const int waitFlag) + struct file_lock *pLockData, const __u16 lock_type, + const int waitFlag) { struct smb_com_transaction2_sfi_req *pSMB = NULL; struct smb_com_transaction2_sfi_rsp *pSMBr = NULL; @@ -1366,6 +1367,10 @@ CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon, __u16 params, param_offset, offset, byte_count, count; cFYI(1, ("Posix Lock")); + + if(pLockData == NULL) + return EINVAL; + rc = small_smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB); if (rc) @@ -1404,10 +1409,10 @@ CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon, parm_data->lock_type = cpu_to_le16(lock_type); if(waitFlag) - parm_data->lock_flags = 1; + parm_data->lock_flags = cpu_to_le16(1); parm_data->pid = cpu_to_le32(current->tgid); - parm_data->start = lkoffset; - parm_data->length = len; /* normalize negative numbers */ + parm_data->start = cpu_to_le64(pLockData->fl_start); + parm_data->length = cpu_to_le64(len); /* normalize negative numbers */ pSMB->DataOffset = cpu_to_le16(offset); pSMB->Fid = smb_file_id; @@ -1419,8 +1424,33 @@ CIFSSMBPosixLock(const int xid, struct cifsTconInfo *tcon, (struct smb_hdr *) pSMBr, &bytes_returned, 0); if (rc) { cFYI(1, ("Send error in Posix Lock = %d", rc)); - } + } else if (get_flag) { + /* lock structure can be returned on get */ + __u16 data_offset; + __u16 data_count; + rc = validate_t2((struct smb_t2_rsp *)pSMBr); + if (rc || (pSMBr->ByteCount < sizeof(struct cifs_posix_lock))) { + rc = -EIO; /* bad smb */ + goto plk_err_exit; + } + if(pLockData == NULL) { + rc = -EINVAL; + goto plk_err_exit; + } + data_offset = le16_to_cpu(pSMBr->t2.DataOffset); + data_count = le16_to_cpu(pSMBr->t2.DataCount); + if(data_count < sizeof(struct cifs_posix_lock)) { + rc = -EIO; + goto plk_err_exit; + } + parm_data = (struct cifs_posix_lock *) + ((char *)&pSMBr->hdr.Protocol + data_offset); + if(parm_data->lock_type == cpu_to_le16(CIFS_UNLCK)) + pLockData->fl_type = F_UNLCK; + } + +plk_err_exit: if (pSMB) cifs_small_buf_release(pSMB); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index d2ec806a4f3..bae1479318d 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2148,6 +2148,8 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses, /* We look for obvious messed up bcc or strings in response so we do not go off the end since (at least) WIN2K and Windows XP have a major bug in not null terminating last Unicode string in response */ + if(ses->serverOS) + kfree(ses->serverOS); ses->serverOS = kzalloc(2 * (len + 1), GFP_KERNEL); if(ses->serverOS == NULL) goto sesssetup_nomem; @@ -2160,6 +2162,8 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses, if (remaining_words > 0) { len = UniStrnlen((wchar_t *)bcc_ptr, remaining_words-1); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(2 * (len + 1),GFP_KERNEL); if(ses->serverNOS == NULL) goto sesssetup_nomem; @@ -2177,6 +2181,8 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses, if (remaining_words > 0) { len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words); /* last string is not always null terminated (for e.g. for Windows XP & 2000) */ + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2*(len+1),GFP_KERNEL); if(ses->serverDomain == NULL) @@ -2187,15 +2193,22 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses, ses->serverDomain[2*len] = 0; ses->serverDomain[1+(2*len)] = 0; } /* else no more room so create dummy domain string */ - else + else { + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2, GFP_KERNEL); + } } else { /* no room so create dummy domain and NOS string */ /* if these kcallocs fail not much we can do, but better to not fail the sesssetup itself */ + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2, GFP_KERNEL); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(2, GFP_KERNEL); } @@ -2204,6 +2217,8 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses, if (((long) bcc_ptr + len) - (long) pByteArea(smb_buffer_response) <= BCC(smb_buffer_response)) { + if(ses->serverOS) + kfree(ses->serverOS); ses->serverOS = kzalloc(len + 1,GFP_KERNEL); if(ses->serverOS == NULL) goto sesssetup_nomem; @@ -2214,6 +2229,8 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses, bcc_ptr++; len = strnlen(bcc_ptr, 1024); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(len + 1,GFP_KERNEL); if(ses->serverNOS == NULL) goto sesssetup_nomem; @@ -2223,6 +2240,8 @@ CIFSSessSetup(unsigned int xid, struct cifsSesInfo *ses, bcc_ptr++; len = strnlen(bcc_ptr, 1024); + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(len + 1,GFP_KERNEL); if(ses->serverDomain == NULL) goto sesssetup_nomem; @@ -2427,6 +2446,8 @@ CIFSSpnegoSessSetup(unsigned int xid, struct cifsSesInfo *ses, /* We look for obvious messed up bcc or strings in response so we do not go off the end since (at least) WIN2K and Windows XP have a major bug in not null terminating last Unicode string in response */ + if(ses->serverOS) + kfree(ses->serverOS); ses->serverOS = kzalloc(2 * (len + 1), GFP_KERNEL); cifs_strfromUCS_le(ses->serverOS, @@ -2441,6 +2462,8 @@ CIFSSpnegoSessSetup(unsigned int xid, struct cifsSesInfo *ses, len = UniStrnlen((wchar_t *)bcc_ptr, remaining_words - 1); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(2 * (len + 1), GFP_KERNEL); @@ -2454,7 +2477,9 @@ CIFSSpnegoSessSetup(unsigned int xid, struct cifsSesInfo *ses, remaining_words -= len + 1; if (remaining_words > 0) { len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words); - /* last string is not always null terminated (for e.g. for Windows XP & 2000) */ + /* last string not null terminated (e.g.Windows XP/2000) */ + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2*(len+1),GFP_KERNEL); cifs_strfromUCS_le(ses->serverDomain, (__le16 *)bcc_ptr, @@ -2463,11 +2488,18 @@ CIFSSpnegoSessSetup(unsigned int xid, struct cifsSesInfo *ses, ses->serverDomain[2*len] = 0; ses->serverDomain[1+(2*len)] = 0; } /* else no more room so create dummy domain string */ - else + else { + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2,GFP_KERNEL); - } else { /* no room so create dummy domain and NOS string */ + } + } else {/* no room use dummy domain&NOS */ + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2, GFP_KERNEL); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(2, GFP_KERNEL); } } else { /* ASCII */ @@ -2476,6 +2508,8 @@ CIFSSpnegoSessSetup(unsigned int xid, struct cifsSesInfo *ses, if (((long) bcc_ptr + len) - (long) pByteArea(smb_buffer_response) <= BCC(smb_buffer_response)) { + if(ses->serverOS) + kfree(ses->serverOS); ses->serverOS = kzalloc(len + 1, GFP_KERNEL); strncpy(ses->serverOS, bcc_ptr, len); @@ -2484,6 +2518,8 @@ CIFSSpnegoSessSetup(unsigned int xid, struct cifsSesInfo *ses, bcc_ptr++; len = strnlen(bcc_ptr, 1024); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(len + 1,GFP_KERNEL); strncpy(ses->serverNOS, bcc_ptr, len); bcc_ptr += len; @@ -2491,6 +2527,8 @@ CIFSSpnegoSessSetup(unsigned int xid, struct cifsSesInfo *ses, bcc_ptr++; len = strnlen(bcc_ptr, 1024); + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(len + 1, GFP_KERNEL); strncpy(ses->serverDomain, bcc_ptr, len); bcc_ptr += len; @@ -2728,6 +2766,8 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, /* We look for obvious messed up bcc or strings in response so we do not go off the end since (at least) WIN2K and Windows XP have a major bug in not null terminating last Unicode string in response */ + if(ses->serverOS) + kfree(ses->serverOS); ses->serverOS = kzalloc(2 * (len + 1), GFP_KERNEL); cifs_strfromUCS_le(ses->serverOS, @@ -2743,6 +2783,8 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, bcc_ptr, remaining_words - 1); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(2 * (len + 1), GFP_KERNEL); @@ -2760,6 +2802,8 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, if (remaining_words > 0) { len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words); /* last string is not always null terminated (for e.g. for Windows XP & 2000) */ + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2 * (len + @@ -2777,13 +2821,20 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, [1 + (2 * len)] = 0; } /* else no more room so create dummy domain string */ - else + else { + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2, GFP_KERNEL); + } } else { /* no room so create dummy domain and NOS string */ + if(ses->serverDomain); + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2, GFP_KERNEL); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(2, GFP_KERNEL); } @@ -2792,6 +2843,8 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, if (((long) bcc_ptr + len) - (long) pByteArea(smb_buffer_response) <= BCC(smb_buffer_response)) { + if(ses->serverOS) + kfree(ses->serverOS); ses->serverOS = kzalloc(len + 1, GFP_KERNEL); @@ -2803,6 +2856,8 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, bcc_ptr++; len = strnlen(bcc_ptr, 1024); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(len + 1, GFP_KERNEL); @@ -2812,6 +2867,8 @@ CIFSNTLMSSPNegotiateSessSetup(unsigned int xid, bcc_ptr++; len = strnlen(bcc_ptr, 1024); + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(len + 1, GFP_KERNEL); @@ -3116,6 +3173,8 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, /* We look for obvious messed up bcc or strings in response so we do not go off the end since (at least) WIN2K and Windows XP have a major bug in not null terminating last Unicode string in response */ + if(ses->serverOS) + kfree(ses->serverOS); ses->serverOS = kzalloc(2 * (len + 1), GFP_KERNEL); cifs_strfromUCS_le(ses->serverOS, @@ -3131,6 +3190,8 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, bcc_ptr, remaining_words - 1); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(2 * (len + 1), GFP_KERNEL); @@ -3147,6 +3208,8 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, if (remaining_words > 0) { len = UniStrnlen((wchar_t *) bcc_ptr, remaining_words); /* last string not always null terminated (e.g. for Windows XP & 2000) */ + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2 * (len + @@ -3172,10 +3235,17 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, len)] = 0; } /* else no more room so create dummy domain string */ - else + else { + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2,GFP_KERNEL); + } } else { /* no room so create dummy domain and NOS string */ + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(2, GFP_KERNEL); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(2, GFP_KERNEL); } } else { /* ASCII */ @@ -3183,6 +3253,8 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, if (((long) bcc_ptr + len) - (long) pByteArea(smb_buffer_response) <= BCC(smb_buffer_response)) { + if(ses->serverOS) + kfree(ses->serverOS); ses->serverOS = kzalloc(len + 1,GFP_KERNEL); strncpy(ses->serverOS,bcc_ptr, len); @@ -3191,6 +3263,8 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, bcc_ptr++; len = strnlen(bcc_ptr, 1024); + if(ses->serverNOS) + kfree(ses->serverNOS); ses->serverNOS = kzalloc(len+1,GFP_KERNEL); strncpy(ses->serverNOS, bcc_ptr, len); bcc_ptr += len; @@ -3198,6 +3272,8 @@ CIFSNTLMSSPAuthSessSetup(unsigned int xid, struct cifsSesInfo *ses, bcc_ptr++; len = strnlen(bcc_ptr, 1024); + if(ses->serverDomain) + kfree(ses->serverDomain); ses->serverDomain = kzalloc(len+1,GFP_KERNEL); strncpy(ses->serverDomain, bcc_ptr, len); bcc_ptr += len; @@ -3282,7 +3358,8 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, bcc_ptr++; /* align */ } - if(ses->server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) + if(ses->server->secMode & + (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) smb_buffer->Flags2 |= SMBFLG2_SECURITY_SIGNATURE; if (ses->capabilities & CAP_STATUS32) { @@ -3294,8 +3371,10 @@ CIFSTCon(unsigned int xid, struct cifsSesInfo *ses, if (ses->capabilities & CAP_UNICODE) { smb_buffer->Flags2 |= SMBFLG2_UNICODE; length = - cifs_strtoUCS((__le16 *) bcc_ptr, tree, 100, nls_codepage); - bcc_ptr += 2 * length; /* convert num of 16 bit words to bytes */ + cifs_strtoUCS((__le16 *) bcc_ptr, tree, + 6 /* max utf8 char length in bytes */ * + (/* server len*/ + 256 /* share len */), nls_codepage); + bcc_ptr += 2 * length; /* convert num 16 bit words to bytes */ bcc_ptr += 2; /* skip trailing null */ } else { /* ASCII */ strcpy(bcc_ptr, tree); diff --git a/fs/cifs/file.c b/fs/cifs/file.c index e152bf6afa6..e2b4ce1dad6 100644 --- a/fs/cifs/file.c +++ b/fs/cifs/file.c @@ -84,6 +84,8 @@ static inline int cifs_get_disposition(unsigned int flags) return FILE_OVERWRITE_IF; else if ((flags & O_CREAT) == O_CREAT) return FILE_OPEN_IF; + else if ((flags & O_TRUNC) == O_TRUNC) + return FILE_OVERWRITE; else return FILE_OPEN; } @@ -656,7 +658,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock) else posix_lock_type = CIFS_WRLCK; rc = CIFSSMBPosixLock(xid, pTcon, netfid, 1 /* get */, - length, pfLock->fl_start, + length, pfLock, posix_lock_type, wait_flag); FreeXid(xid); return rc; @@ -704,7 +706,7 @@ int cifs_lock(struct file *file, int cmd, struct file_lock *pfLock) return -EOPNOTSUPP; } rc = CIFSSMBPosixLock(xid, pTcon, netfid, 0 /* set */, - length, pfLock->fl_start, + length, pfLock, posix_lock_type, wait_flag); } else rc = CIFSSMBLock(xid, pTcon, netfid, length, pfLock->fl_start, @@ -904,8 +906,10 @@ static ssize_t cifs_write(struct file *file, const char *write_data, if (rc != 0) break; } - if(experimEnabled || (pTcon->ses->server->secMode & - (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) == 0) { + if(experimEnabled || (pTcon->ses->server && + ((pTcon->ses->server->secMode & + (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED)) + == 0))) { struct kvec iov[2]; unsigned int len; diff --git a/fs/compat.c b/fs/compat.c index 01f39f87f37..b1f64786a61 100644 --- a/fs/compat.c +++ b/fs/compat.c @@ -2030,109 +2030,115 @@ union compat_nfsctl_res { struct knfsd_fh cr32_getfs; }; -static int compat_nfs_svc_trans(struct nfsctl_arg *karg, struct compat_nfsctl_arg __user *arg) -{ - int err; - - err = access_ok(VERIFY_READ, &arg->ca32_svc, sizeof(arg->ca32_svc)); - err |= get_user(karg->ca_version, &arg->ca32_version); - err |= __get_user(karg->ca_svc.svc_port, &arg->ca32_svc.svc32_port); - err |= __get_user(karg->ca_svc.svc_nthreads, &arg->ca32_svc.svc32_nthreads); - return (err) ? -EFAULT : 0; +static int compat_nfs_svc_trans(struct nfsctl_arg *karg, + struct compat_nfsctl_arg __user *arg) +{ + if (!access_ok(VERIFY_READ, &arg->ca32_svc, sizeof(arg->ca32_svc)) || + get_user(karg->ca_version, &arg->ca32_version) || + __get_user(karg->ca_svc.svc_port, &arg->ca32_svc.svc32_port) || + __get_user(karg->ca_svc.svc_nthreads, + &arg->ca32_svc.svc32_nthreads)) + return -EFAULT; + return 0; } -static int compat_nfs_clnt_trans(struct nfsctl_arg *karg, struct compat_nfsctl_arg __user *arg) -{ - int err; - - err = access_ok(VERIFY_READ, &arg->ca32_client, sizeof(arg->ca32_client)); - err |= get_user(karg->ca_version, &arg->ca32_version); - err |= __copy_from_user(&karg->ca_client.cl_ident[0], - &arg->ca32_client.cl32_ident[0], - NFSCLNT_IDMAX); - err |= __get_user(karg->ca_client.cl_naddr, &arg->ca32_client.cl32_naddr); - err |= __copy_from_user(&karg->ca_client.cl_addrlist[0], - &arg->ca32_client.cl32_addrlist[0], - (sizeof(struct in_addr) * NFSCLNT_ADDRMAX)); - err |= __get_user(karg->ca_client.cl_fhkeytype, - &arg->ca32_client.cl32_fhkeytype); - err |= __get_user(karg->ca_client.cl_fhkeylen, - &arg->ca32_client.cl32_fhkeylen); - err |= __copy_from_user(&karg->ca_client.cl_fhkey[0], - &arg->ca32_client.cl32_fhkey[0], - NFSCLNT_KEYMAX); +static int compat_nfs_clnt_trans(struct nfsctl_arg *karg, + struct compat_nfsctl_arg __user *arg) +{ + if (!access_ok(VERIFY_READ, &arg->ca32_client, + sizeof(arg->ca32_client)) || + get_user(karg->ca_version, &arg->ca32_version) || + __copy_from_user(&karg->ca_client.cl_ident[0], + &arg->ca32_client.cl32_ident[0], + NFSCLNT_IDMAX) || + __get_user(karg->ca_client.cl_naddr, + &arg->ca32_client.cl32_naddr) || + __copy_from_user(&karg->ca_client.cl_addrlist[0], + &arg->ca32_client.cl32_addrlist[0], + (sizeof(struct in_addr) * NFSCLNT_ADDRMAX)) || + __get_user(karg->ca_client.cl_fhkeytype, + &arg->ca32_client.cl32_fhkeytype) || + __get_user(karg->ca_client.cl_fhkeylen, + &arg->ca32_client.cl32_fhkeylen) || + __copy_from_user(&karg->ca_client.cl_fhkey[0], + &arg->ca32_client.cl32_fhkey[0], + NFSCLNT_KEYMAX)) + return -EFAULT; - return (err) ? -EFAULT : 0; + return 0; } -static int compat_nfs_exp_trans(struct nfsctl_arg *karg, struct compat_nfsctl_arg __user *arg) -{ - int err; - - err = access_ok(VERIFY_READ, &arg->ca32_export, sizeof(arg->ca32_export)); - err |= get_user(karg->ca_version, &arg->ca32_version); - err |= __copy_from_user(&karg->ca_export.ex_client[0], - &arg->ca32_export.ex32_client[0], - NFSCLNT_IDMAX); - err |= __copy_from_user(&karg->ca_export.ex_path[0], - &arg->ca32_export.ex32_path[0], - NFS_MAXPATHLEN); - err |= __get_user(karg->ca_export.ex_dev, - &arg->ca32_export.ex32_dev); - err |= __get_user(karg->ca_export.ex_ino, - &arg->ca32_export.ex32_ino); - err |= __get_user(karg->ca_export.ex_flags, - &arg->ca32_export.ex32_flags); - err |= __get_user(karg->ca_export.ex_anon_uid, - &arg->ca32_export.ex32_anon_uid); - err |= __get_user(karg->ca_export.ex_anon_gid, - &arg->ca32_export.ex32_anon_gid); +static int compat_nfs_exp_trans(struct nfsctl_arg *karg, + struct compat_nfsctl_arg __user *arg) +{ + if (!access_ok(VERIFY_READ, &arg->ca32_export, + sizeof(arg->ca32_export)) || + get_user(karg->ca_version, &arg->ca32_version) || + __copy_from_user(&karg->ca_export.ex_client[0], + &arg->ca32_export.ex32_client[0], + NFSCLNT_IDMAX) || + __copy_from_user(&karg->ca_export.ex_path[0], + &arg->ca32_export.ex32_path[0], + NFS_MAXPATHLEN) || + __get_user(karg->ca_export.ex_dev, + &arg->ca32_export.ex32_dev) || + __get_user(karg->ca_export.ex_ino, + &arg->ca32_export.ex32_ino) || + __get_user(karg->ca_export.ex_flags, + &arg->ca32_export.ex32_flags) || + __get_user(karg->ca_export.ex_anon_uid, + &arg->ca32_export.ex32_anon_uid) || + __get_user(karg->ca_export.ex_anon_gid, + &arg->ca32_export.ex32_anon_gid)) + return -EFAULT; SET_UID(karg->ca_export.ex_anon_uid, karg->ca_export.ex_anon_uid); SET_GID(karg->ca_export.ex_anon_gid, karg->ca_export.ex_anon_gid); - return (err) ? -EFAULT : 0; + return 0; } -static int compat_nfs_getfd_trans(struct nfsctl_arg *karg, struct compat_nfsctl_arg __user *arg) -{ - int err; - - err = access_ok(VERIFY_READ, &arg->ca32_getfd, sizeof(arg->ca32_getfd)); - err |= get_user(karg->ca_version, &arg->ca32_version); - err |= __copy_from_user(&karg->ca_getfd.gd_addr, - &arg->ca32_getfd.gd32_addr, - (sizeof(struct sockaddr))); - err |= __copy_from_user(&karg->ca_getfd.gd_path, - &arg->ca32_getfd.gd32_path, - (NFS_MAXPATHLEN+1)); - err |= __get_user(karg->ca_getfd.gd_version, - &arg->ca32_getfd.gd32_version); +static int compat_nfs_getfd_trans(struct nfsctl_arg *karg, + struct compat_nfsctl_arg __user *arg) +{ + if (!access_ok(VERIFY_READ, &arg->ca32_getfd, + sizeof(arg->ca32_getfd)) || + get_user(karg->ca_version, &arg->ca32_version) || + __copy_from_user(&karg->ca_getfd.gd_addr, + &arg->ca32_getfd.gd32_addr, + (sizeof(struct sockaddr))) || + __copy_from_user(&karg->ca_getfd.gd_path, + &arg->ca32_getfd.gd32_path, + (NFS_MAXPATHLEN+1)) || + __get_user(karg->ca_getfd.gd_version, + &arg->ca32_getfd.gd32_version)) + return -EFAULT; - return (err) ? -EFAULT : 0; + return 0; } -static int compat_nfs_getfs_trans(struct nfsctl_arg *karg, struct compat_nfsctl_arg __user *arg) +static int compat_nfs_getfs_trans(struct nfsctl_arg *karg, + struct compat_nfsctl_arg __user *arg) { - int err; - - err = access_ok(VERIFY_READ, &arg->ca32_getfs, sizeof(arg->ca32_getfs)); - err |= get_user(karg->ca_version, &arg->ca32_version); - err |= __copy_from_user(&karg->ca_getfs.gd_addr, - &arg->ca32_getfs.gd32_addr, - (sizeof(struct sockaddr))); - err |= __copy_from_user(&karg->ca_getfs.gd_path, - &arg->ca32_getfs.gd32_path, - (NFS_MAXPATHLEN+1)); - err |= __get_user(karg->ca_getfs.gd_maxlen, - &arg->ca32_getfs.gd32_maxlen); + if (!access_ok(VERIFY_READ,&arg->ca32_getfs,sizeof(arg->ca32_getfs)) || + get_user(karg->ca_version, &arg->ca32_version) || + __copy_from_user(&karg->ca_getfs.gd_addr, + &arg->ca32_getfs.gd32_addr, + (sizeof(struct sockaddr))) || + __copy_from_user(&karg->ca_getfs.gd_path, + &arg->ca32_getfs.gd32_path, + (NFS_MAXPATHLEN+1)) || + __get_user(karg->ca_getfs.gd_maxlen, + &arg->ca32_getfs.gd32_maxlen)) + return -EFAULT; - return (err) ? -EFAULT : 0; + return 0; } /* This really doesn't need translations, we are only passing * back a union which contains opaque nfs file handle data. */ -static int compat_nfs_getfh_res_trans(union nfsctl_res *kres, union compat_nfsctl_res __user *res) +static int compat_nfs_getfh_res_trans(union nfsctl_res *kres, + union compat_nfsctl_res __user *res) { int err; @@ -2141,8 +2147,9 @@ static int compat_nfs_getfh_res_trans(union nfsctl_res *kres, union compat_nfsct return (err) ? -EFAULT : 0; } -asmlinkage long compat_sys_nfsservctl(int cmd, struct compat_nfsctl_arg __user *arg, - union compat_nfsctl_res __user *res) +asmlinkage long compat_sys_nfsservctl(int cmd, + struct compat_nfsctl_arg __user *arg, + union compat_nfsctl_res __user *res) { struct nfsctl_arg *karg; union nfsctl_res *kres; diff --git a/fs/exportfs/expfs.c b/fs/exportfs/expfs.c index b06b54f1bbb..4c39009350f 100644 --- a/fs/exportfs/expfs.c +++ b/fs/exportfs/expfs.c @@ -102,7 +102,7 @@ find_exported_dentry(struct super_block *sb, void *obj, void *parent, if (acceptable(context, result)) return result; if (S_ISDIR(result->d_inode->i_mode)) { - /* there is no other dentry, so fail */ + err = -EACCES; goto err_result; } diff --git a/fs/ext3/resize.c b/fs/ext3/resize.c index 8aac5334680..34b39e9a1e5 100644 --- a/fs/ext3/resize.c +++ b/fs/ext3/resize.c @@ -767,7 +767,6 @@ int ext3_group_add(struct super_block *sb, struct ext3_new_group_data *input) if (input->group != sbi->s_groups_count) { ext3_warning(sb, __FUNCTION__, "multiple resizers run on filesystem!"); - unlock_super(sb); err = -EBUSY; goto exit_journal; } diff --git a/fs/inotify.c b/fs/inotify.c index 1f50302849c..732ec4bd577 100644 --- a/fs/inotify.c +++ b/fs/inotify.c @@ -848,7 +848,11 @@ static int inotify_release(struct inode *ignored, struct file *file) inode = watch->inode; mutex_lock(&inode->inotify_mutex); mutex_lock(&dev->mutex); - remove_watch_no_event(watch, dev); + + /* make sure we didn't race with another list removal */ + if (likely(idr_find(&dev->idr, watch->wd))) + remove_watch_no_event(watch, dev); + mutex_unlock(&dev->mutex); mutex_unlock(&inode->inotify_mutex); put_inotify_watch(watch); @@ -890,8 +894,7 @@ static int inotify_ignore(struct inotify_device *dev, s32 wd) mutex_lock(&dev->mutex); /* make sure that we did not race */ - watch = idr_find(&dev->idr, wd); - if (likely(watch)) + if (likely(idr_find(&dev->idr, wd) == watch)) remove_watch(watch, dev); mutex_unlock(&dev->mutex); diff --git a/fs/jfs/jfs_metapage.c b/fs/jfs/jfs_metapage.c index f28696f235c..2b220dd6b4e 100644 --- a/fs/jfs/jfs_metapage.c +++ b/fs/jfs/jfs_metapage.c @@ -542,7 +542,7 @@ add_failed: static int metapage_releasepage(struct page *page, gfp_t gfp_mask) { struct metapage *mp; - int busy = 0; + int ret = 1; unsigned int offset; for (offset = 0; offset < PAGE_CACHE_SIZE; offset += PSIZE) { @@ -552,30 +552,20 @@ static int metapage_releasepage(struct page *page, gfp_t gfp_mask) continue; jfs_info("metapage_releasepage: mp = 0x%p", mp); - if (mp->count || mp->nohomeok) { + if (mp->count || mp->nohomeok || + test_bit(META_dirty, &mp->flag)) { jfs_info("count = %ld, nohomeok = %d", mp->count, mp->nohomeok); - busy = 1; + ret = 0; continue; } - wait_on_page_writeback(page); - //WARN_ON(test_bit(META_dirty, &mp->flag)); - if (test_bit(META_dirty, &mp->flag)) { - dump_mem("dirty mp in metapage_releasepage", mp, - sizeof(struct metapage)); - dump_mem("page", page, sizeof(struct page)); - dump_stack(); - } if (mp->lsn) remove_from_logsync(mp); remove_metapage(page, mp); INCREMENT(mpStat.pagefree); free_metapage(mp); } - if (busy) - return -1; - - return 0; + return ret; } static void metapage_invalidatepage(struct page *page, unsigned long offset) diff --git a/fs/nfsd/export.c b/fs/nfsd/export.c index 4e0578121d9..3eec30000f3 100644 --- a/fs/nfsd/export.c +++ b/fs/nfsd/export.c @@ -1066,9 +1066,11 @@ exp_pseudoroot(struct auth_domain *clp, struct svc_fh *fhp, rv = nfserr_perm; else if (IS_ERR(exp)) rv = nfserrno(PTR_ERR(exp)); - else + else { rv = fh_compose(fhp, exp, fsid_key->ek_dentry, NULL); + exp_put(exp); + } cache_put(&fsid_key->h, &svc_expkey_cache); return rv; } diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c index 6aa92d0e687..1d65f13f458 100644 --- a/fs/nfsd/vfs.c +++ b/fs/nfsd/vfs.c @@ -1922,11 +1922,10 @@ nfsd_set_posix_acl(struct svc_fh *fhp, int type, struct posix_acl *acl) value = kmalloc(size, GFP_KERNEL); if (!value) return -ENOMEM; - size = posix_acl_to_xattr(acl, value, size); - if (size < 0) { - error = size; + error = posix_acl_to_xattr(acl, value, size); + if (error < 0) goto getout; - } + size = error; } else size = 0; |