[PATCH v10 22/46] xfs: Fix error path in xfs_get_acl

Andreas Gruenbacher
2015-10-11T23:01:46Z

Error codes from xfs_attr_get other than -ENOATTR were not properly
reported. Fix that, and clean the code up somewhat.

In addition, the declaration of struct xfs_inode in xfs_acl.h isn't needed.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
---
fs/xfs/xfs_acl.c | 19 +++++++------------
fs/xfs/xfs_acl.h | 1 -
2 files changed, 7 insertions(+), 13 deletions(-)

diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index 4b64167..0f4ee92 100644
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -122,7 +122,7 @@ struct posix_acl *
xfs_get_acl(struct inode *inode, int type)
{
struct xfs_inode *ip = XFS_I(inode);
- struct posix_acl *acl = NULL;
+ struct posix_acl *acl;
struct xfs_acl *xfs_acl;
unsigned char *ea_name;
int error;
@@ -158,18 +158,13 @@ xfs_get_acl(struct inode *inode, int type)
* cache entry, for any other error assume it is transient and
* leave the cache entry as ACL_NOT_CACHED.
*/
- if (error == -ENOATTR)
- goto out_update_cache;
- goto out;
- }
+ acl = (error == -ENOATTR) ? NULL : ERR_PTR(error);
+ } else
+ acl = xfs_acl_from_disk(xfs_acl,
+ XFS_ACL_MAX_ENTRIES(ip->i_mount));

- acl = xfs_acl_from_disk(xfs_acl, XFS_ACL_MAX_ENTRIES(ip->i_mount));
- if (IS_ERR(acl))
- goto out;
-
-out_update_cache:
- set_cached_acl(inode, type, acl);
-out:
+ if (!IS_ERR(acl))
+ set_cached_acl(inode, type, acl);
kmem_free(xfs_acl);
return acl;
}
diff --git a/fs/xfs/xfs_acl.h b/fs/xfs/xfs_acl.h
index 3841b07..9ee0a0d 100644
--- a/fs/xfs/xfs_acl.h
+++ b/fs/xfs/xfs_acl.h
@@ -20,7 +20,6 @@

struct inode;
struct posix_acl;
-struct xfs_inode;

#ifdef CONFIG_XFS_POSIX_ACL
extern struct posix_acl *xfs_get_acl(struct inode *inode, int type);