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authorjvrao <jvrao@linux.vnet.ibm.com>2010-08-25 16:27:06 +0000
committerEric Van Hensbergen <ericvh@gmail.com>2010-10-28 09:08:45 -0500
commit8e44a0805fc9d77475060280136aa491aa7d7060 (patch)
tree61680d097ea47eddd9fab5e8fbd12626baf25b20 /net/9p/client.c
parent8d40fa2492eb3dcf02468eef2f6bba450be42b22 (diff)
downloadlinux-2.6.38-lt-ux500-8e44a0805fc9d77475060280136aa491aa7d7060.tar.gz
net/9p: Add a Warning to catch NULL fids passed to p9_client_clunk().
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com> Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
Diffstat (limited to 'net/9p/client.c')
-rw-r--r--net/9p/client.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/net/9p/client.c b/net/9p/client.c
index c155cc45eff..e50ec802937 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;