From 8f587df479c3cea14ba1a9b9d58f34fd2fd6d58b Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 4 Aug 2010 16:27:45 +0000 Subject: [PATCH] 9p: potential ERR_PTR() dereference p9_client_walk() can return error values if we run out of space or there is a problem with the network. Signed-off-by: Dan Carpenter Signed-off-by: Eric Van Hensbergen --- fs/9p/fid.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/9p/fid.c b/fs/9p/fid.c index 358563689064..6406f896bf95 100644 --- a/fs/9p/fid.c +++ b/fs/9p/fid.c @@ -242,7 +242,8 @@ struct p9_fid *v9fs_fid_lookup(struct dentry *dentry) } kfree(wnames); fid_out: - v9fs_fid_add(dentry, fid); + if (!IS_ERR(fid)) + v9fs_fid_add(dentry, fid); err_out: up_read(&v9ses->rename_sem); return fid; -- 2.20.1