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-rw-r--r--fs/afs/mntpt.c2
-rw-r--r--fs/ext3/super.c11
-rw-r--r--fs/ext4/super.c11
-rw-r--r--fs/locks.c2
-rw-r--r--fs/proc/inode.c3
-rw-r--r--fs/reiserfs/super.c13
-rw-r--r--fs/select.c2
7 files changed, 35 insertions, 9 deletions
diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c
index a3684dcc76e..6f8c96fb29e 100644
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -235,8 +235,8 @@ static void *afs_mntpt_follow_link(struct dentry *dentry, struct nameidata *nd)
err = do_add_mount(newmnt, nd, MNT_SHRINKABLE, &afs_vfsmounts);
switch (err) {
case 0:
- mntput(nd->mnt);
dput(nd->dentry);
+ mntput(nd->mnt);
nd->mnt = newmnt;
nd->dentry = dget(newmnt->mnt_root);
schedule_delayed_work(&afs_mntpt_expiry_timer,
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index 22cfdd61c06..9537316a071 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -2578,8 +2578,11 @@ static int ext3_release_dquot(struct dquot *dquot)
handle = ext3_journal_start(dquot_to_inode(dquot),
EXT3_QUOTA_DEL_BLOCKS(dquot->dq_sb));
- if (IS_ERR(handle))
+ if (IS_ERR(handle)) {
+ /* Release dquot anyway to avoid endless cycle in dqput() */
+ dquot_release(dquot);
return PTR_ERR(handle);
+ }
ret = dquot_release(dquot);
err = ext3_journal_stop(handle);
if (!ret)
@@ -2712,6 +2715,12 @@ static ssize_t ext3_quota_write(struct super_block *sb, int type,
struct buffer_head *bh;
handle_t *handle = journal_current_handle();
+ if (!handle) {
+ printk(KERN_WARNING "EXT3-fs: Quota write (off=%Lu, len=%Lu)"
+ " cancelled because transaction is not started.\n",
+ (unsigned long long)off, (unsigned long long)len);
+ return -EIO;
+ }
mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
while (towrite > 0) {
tocopy = sb->s_blocksize - offset < towrite ?
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 4550b83ab1c..3c1397fa83d 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -2698,8 +2698,11 @@ static int ext4_release_dquot(struct dquot *dquot)
handle = ext4_journal_start(dquot_to_inode(dquot),
EXT4_QUOTA_DEL_BLOCKS(dquot->dq_sb));
- if (IS_ERR(handle))
+ if (IS_ERR(handle)) {
+ /* Release dquot anyway to avoid endless cycle in dqput() */
+ dquot_release(dquot);
return PTR_ERR(handle);
+ }
ret = dquot_release(dquot);
err = ext4_journal_stop(handle);
if (!ret)
@@ -2832,6 +2835,12 @@ static ssize_t ext4_quota_write(struct super_block *sb, int type,
struct buffer_head *bh;
handle_t *handle = journal_current_handle();
+ if (!handle) {
+ printk(KERN_WARNING "EXT4-fs: Quota write (off=%Lu, len=%Lu)"
+ " cancelled because transaction is not started.\n",
+ (unsigned long long)off, (unsigned long long)len);
+ return -EIO;
+ }
mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
while (towrite > 0) {
tocopy = sb->s_blocksize - offset < towrite ?
diff --git a/fs/locks.c b/fs/locks.c
index 50857d2d340..c795eaaf6c4 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -782,7 +782,7 @@ find_conflict:
if (request->fl_flags & FL_ACCESS)
goto out;
locks_copy_lock(new_fl, request);
- locks_insert_lock(&inode->i_flock, new_fl);
+ locks_insert_lock(before, new_fl);
new_fl = NULL;
error = 0;
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index a5b0dfd89a1..0e4d37c93ee 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -11,6 +11,7 @@
#include <linux/string.h>
#include <linux/stat.h>
#include <linux/completion.h>
+#include <linux/poll.h>
#include <linux/file.h>
#include <linux/limits.h>
#include <linux/init.h>
@@ -232,7 +233,7 @@ static ssize_t proc_reg_write(struct file *file, const char __user *buf, size_t
static unsigned int proc_reg_poll(struct file *file, struct poll_table_struct *pts)
{
struct proc_dir_entry *pde = PDE(file->f_path.dentry->d_inode);
- unsigned int rv = 0;
+ unsigned int rv = DEFAULT_POLLMASK;
unsigned int (*poll)(struct file *, struct poll_table_struct *);
spin_lock(&pde->pde_unload_lock);
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 5b68dd3f191..a005451930b 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -1915,8 +1915,11 @@ static int reiserfs_release_dquot(struct dquot *dquot)
ret =
journal_begin(&th, dquot->dq_sb,
REISERFS_QUOTA_DEL_BLOCKS(dquot->dq_sb));
- if (ret)
+ if (ret) {
+ /* Release dquot anyway to avoid endless cycle in dqput() */
+ dquot_release(dquot);
goto out;
+ }
ret = dquot_release(dquot);
err =
journal_end(&th, dquot->dq_sb,
@@ -2067,6 +2070,12 @@ static ssize_t reiserfs_quota_write(struct super_block *sb, int type,
size_t towrite = len;
struct buffer_head tmp_bh, *bh;
+ if (!current->journal_info) {
+ printk(KERN_WARNING "reiserfs: Quota write (off=%Lu, len=%Lu)"
+ " cancelled because transaction is not started.\n",
+ (unsigned long long)off, (unsigned long long)len);
+ return -EIO;
+ }
mutex_lock_nested(&inode->i_mutex, I_MUTEX_QUOTA);
while (towrite > 0) {
tocopy = sb->s_blocksize - offset < towrite ?
@@ -2098,7 +2107,7 @@ static ssize_t reiserfs_quota_write(struct super_block *sb, int type,
data += tocopy;
blk++;
}
- out:
+out:
if (len == towrite)
return err;
if (inode->i_size < off + len - towrite)
diff --git a/fs/select.c b/fs/select.c
index a974082b082..46dca31c607 100644
--- a/fs/select.c
+++ b/fs/select.c
@@ -26,8 +26,6 @@
#include <asm/uaccess.h>
-#define DEFAULT_POLLMASK (POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM)
-
struct poll_table_page {
struct poll_table_page * next;
struct poll_table_entry * entry;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-20 06:26:52 +0000