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authorTsutomu Itoh <t-itoh@jp.fujitsu.com>2011-10-06 08:37:08 +0400
committerDavid Sterba <dsterba@suse.cz>2011-10-20 20:10:47 +0400
commitcfbffc39ac89dbd5197cbeec2599a1128eb928f8 (patch)
treed544e0c12f565b1f8ff359eca3847fc0e10006c9 /fs/btrfs/acl.c
parent10b2f34d6e7fbe07f498cb2006272e9a561f5e60 (diff)
downloadlinux-cfbffc39ac89dbd5197cbeec2599a1128eb928f8.tar.xz
Btrfs: fix return value of btrfs_get_acl()
In btrfs_get_acl(), when the second __btrfs_getxattr() call fails, acl is not correctly set. Therefore, a wrong value might return to the caller. Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Diffstat (limited to 'fs/btrfs/acl.c')
-rw-r--r--fs/btrfs/acl.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/fs/btrfs/acl.c b/fs/btrfs/acl.c
index eb159aaa5a11..89b156d85d63 100644
--- a/fs/btrfs/acl.c
+++ b/fs/btrfs/acl.c
@@ -59,22 +59,19 @@ struct posix_acl *btrfs_get_acl(struct inode *inode, int type)
if (!value)
return ERR_PTR(-ENOMEM);
size = __btrfs_getxattr(inode, name, value, size);
- if (size > 0) {
- acl = posix_acl_from_xattr(value, size);
- if (IS_ERR(acl)) {
- kfree(value);
- return acl;
- }
- set_cached_acl(inode, type, acl);
- }
- kfree(value);
+ }
+ if (size > 0) {
+ acl = posix_acl_from_xattr(value, size);
} else if (size == -ENOENT || size == -ENODATA || size == 0) {
/* FIXME, who returns -ENOENT? I think nobody */
acl = NULL;
- set_cached_acl(inode, type, acl);
} else {
acl = ERR_PTR(-EIO);
}
+ kfree(value);
+
+ if (!IS_ERR(acl))
+ set_cached_acl(inode, type, acl);
return acl;
}