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authorLinus Torvalds <torvalds@linux-foundation.org>2009-04-21 07:56:17 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-21 07:56:17 -0700
commit9a41fe3415bbef2c0c08ac232dc3a17add0dee58 (patch)
tree6c2440e3dd3babd4643396de9ba44303d8d3a7b4 /fs/xattr.c
parent8b9cf76d0fa6cd98fe42dd2f86460d6ede55fed8 (diff)
parentbe9208dff23af904655807672dd8235abf6ac039 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: reiserfs: fix j_last_flush_trans_id type fs: Mark get_filesystem_list() as __init function. kill vfs_stat_fd / vfs_lstat_fd Separate out common fstatat code into vfs_fstatat ecryptfs: use memdup_user() ncpfs: use memdup_user() xfs: use memdup_user() sysfs: use memdup_user() btrfs: use memdup_user() xattr: use memdup_user() autofs4: use memchr() in invalid_string() Documentation/filesystems: remove out of date reference to BKL being held Fix i_mutex vs. readdir handling in nfsd fs/compat_ioctl: fix build when !BLOCK Fix autofs_expire() No need for crossing to mountpoint in audit_tag_tree() Safer nfsd_cross_mnt() Touch all affected namespaces on propagation of mount Fix AUTOFS_DEV_IOCTL_REQUESTER_CMD
Diffstat (limited to 'fs/xattr.c')
-rw-r--r--fs/xattr.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/fs/xattr.c b/fs/xattr.c
index 197c4fcac03..d51b8f9db92 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -237,13 +237,9 @@ setxattr(struct dentry *d, const char __user *name, const void __user *value,
if (size) {
if (size > XATTR_SIZE_MAX)
return -E2BIG;
- kvalue = kmalloc(size, GFP_KERNEL);
- if (!kvalue)
- return -ENOMEM;
- if (copy_from_user(kvalue, value, size)) {
- kfree(kvalue);
- return -EFAULT;
- }
+ kvalue = memdup_user(value, size);
+ if (IS_ERR(kvalue))
+ return PTR_ERR(kvalue);
}
error = vfs_setxattr(d, kname, kvalue, size, flags);