From 8e44a0805fc9d77475060280136aa491aa7d7060 Mon Sep 17 00:00:00 2001 From: jvrao Date: Wed, 25 Aug 2010 16:27:06 +0000 Subject: net/9p: Add a Warning to catch NULL fids passed to p9_client_clunk(). Signed-off-by: Venkateswararao Jujjuri Signed-off-by: Eric Van Hensbergen --- net/9p/client.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'net') diff --git a/net/9p/client.c b/net/9p/client.c index c155cc4..e50ec80 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -1168,6 +1168,12 @@ int p9_client_clunk(struct p9_fid *fid) struct p9_client *clnt; struct p9_req_t *req; + if (!fid) { + P9_EPRINTK(KERN_WARNING, "Trying to clunk with NULL fid\n"); + dump_stack(); + return 0; + } + P9_DPRINTK(P9_DEBUG_9P, ">>> TCLUNK fid %d\n", fid->fid); err = 0; clnt = fid->clnt; -- cgit v1.1