From: Dan Carpenter <error27@gmail.com>
To: kernel-janitors@vger.kernel.org
Subject: [patch] 9p: potential ERR_PTR() dereference
Date: Wed, 04 Aug 2010 16:27:45 +0000 [thread overview]
Message-ID: <20100804162745.GA9031@bicker> (raw)
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 <error27@gmail.com>
diff --git a/fs/9p/fid.c b/fs/9p/fid.c
index 3585636..6406f89 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;
reply other threads:[~2010-08-04 16:27 UTC|newest]
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