xfs
[Top] [All Lists]

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

To: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>, "Theodore Ts'o" <tytso@xxxxxxx>, Andreas Dilger <adilger.kernel@xxxxxxxxx>, "J. Bruce Fields" <bfields@xxxxxxxxxxxx>, Jeff Layton <jlayton@xxxxxxxxxxxxxxx>, Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>, Anna Schumaker <anna.schumaker@xxxxxxxxxx>, Dave Chinner <david@xxxxxxxxxxxxx>, linux-ext4@xxxxxxxxxxxxxxx, xfs@xxxxxxxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-fsdevel@xxxxxxxxxxxxxxx, linux-nfs@xxxxxxxxxxxxxxx, linux-cifs@xxxxxxxxxxxxxxx, linux-api@xxxxxxxxxxxxxxx
Subject: [PATCH v10 22/46] xfs: Fix error path in xfs_get_acl
From: Andreas Gruenbacher <andreas.gruenbacher@xxxxxxxxx>
Date: Mon, 12 Oct 2015 00:58:33 +0200
Cc: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
Delivered-to: xfs@xxxxxxxxxxx
In-reply-to: <1444604337-17651-1-git-send-email-andreas.gruenbacher@xxxxxxxxx>
References: <1444604337-17651-1-git-send-email-andreas.gruenbacher@xxxxxxxxx>
From: Andreas Gruenbacher <agruenba@xxxxxxxxxx>

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@xxxxxxxxxx>
---
 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);
-- 
2.5.0

<Prev in Thread] Current Thread [Next in Thread>