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btrfs: Mem leak in btrfs_get_acl()

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It seems to me that we leak the memory allocated to 'value' in
btrfs_get_acl() if the call to posix_acl_from_xattr() fails.
Here's a patch that attempts to correct that problem.

Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Jesper Juhl 2011-01-06 21:45:21 +00:00 • committed by Chris Mason
commit 42838bb265
1 changed files with 3 additions and 1 deletions
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4
fs/btrfs/acl.c
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@ -60,8 +60,10 @@ static struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
size = __btrfs_getxattr(inode, name, value, size);
if (size > 0) {
acl = posix_acl_from_xattr(value, size);
if (IS_ERR(acl))
if (IS_ERR(acl)) {
kfree(value);
return acl;
}
set_cached_acl(inode, type, acl);
}
kfree(value);