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authorDan Carpenter <dan.carpenter@oracle.com>2020-11-30 23:04:12 -0800
committerDominique Martinet <asmadeus@codewreck.org>2020-12-01 08:18:57 +0100
commitdfd375864ac1e2ee60ed2d61820697ac01642f80 (patch)
tree8a5adb231fd70c398fc785e3a637eb8c97274562 /fs/9p
parent5bfe97d7382b5c1ec351c59a878e742c9fd73d38 (diff)
downloadlinux-dfd375864ac1e2ee60ed2d61820697ac01642f80.tar.bz2
9p: Uninitialized variable in v9fs_writeback_fid()
If v9fs_fid_lookup_with_uid() fails then "fid" is not initialized. The v9fs_fid_lookup_with_uid() can't return NULL. If it returns an error pointer then we can still pass that to clone_fid() and it will return the error pointer back again. Fixes: 6636b6dcc3db ("9p: add refcount to p9_fid struct") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Dominique Martinet <asmadeus@codewreck.org>
Diffstat (limited to 'fs/9p')
-rw-r--r--fs/9p/fid.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 50118ec72a92..79837f1b1c91 100644
--- a/fs/9p/fid.c
+++ b/fs/9p/fid.c
@@ -302,8 +302,7 @@ struct p9_fid *v9fs_writeback_fid(struct dentry *dentry)
struct p9_fid *fid, *ofid;
ofid = v9fs_fid_lookup_with_uid(dentry, GLOBAL_ROOT_UID, 0);
- if (ofid && !IS_ERR(ofid))
- fid = clone_fid(ofid);
+ fid = clone_fid(ofid);
if (IS_ERR(fid))
goto error_out;
p9_client_clunk(ofid);