From: Markus Elfring <[email protected]>
Date: Sun, 28 Dec 2014 08:28:51 +0100

The p9_client_clunk() function was called in two cases by the v9fs_create()
function during error handling even if the passed variable "fid"
contained a null pointer. This implementation detail could be improved
by the introduction of another jump label.

Signed-off-by: Markus Elfring <[email protected]>
---
 fs/9p/vfs_inode.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/fs/9p/vfs_inode.c b/fs/9p/vfs_inode.c
index a787d4c..81b945a 100644
--- a/fs/9p/vfs_inode.c
+++ b/fs/9p/vfs_inode.c
@@ -672,7 +672,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode 
*dir,
        err = p9_client_fcreate(ofid, name, perm, mode, extension);
        if (err < 0) {
                p9_debug(P9_DEBUG_VFS, "p9_client_fcreate failed %d\n", err);
-               goto error;
+               goto ofid_clunk;
        }
 
        if (!(perm & P9_DMLINK)) {
@@ -682,8 +682,7 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode 
*dir,
                        err = PTR_ERR(fid);
                        p9_debug(P9_DEBUG_VFS,
                                   "p9_client_walk failed %d\n", err);
-                       fid = NULL;
-                       goto error;
+                       goto ofid_clunk;
                }
                /*
                 * instantiate inode and assign the unopened fid to the dentry
@@ -693,16 +692,17 @@ v9fs_create(struct v9fs_session_info *v9ses, struct inode 
*dir,
                        err = PTR_ERR(inode);
                        p9_debug(P9_DEBUG_VFS,
                                   "inode creation failed %d\n", err);
-                       goto error;
+                       goto fid_clunk;
                }
                v9fs_fid_add(dentry, fid);
                d_instantiate(dentry, inode);
        }
        return ofid;
-error:
-       p9_client_clunk(ofid);
 
+fid_clunk:
        p9_client_clunk(fid);
+ofid_clunk:
+       p9_client_clunk(ofid);
 
        return ERR_PTR(err);
 }
-- 
2.2.1

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