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net/9p: Add a Warning to catch NULL fids passed to p9_client_clunk().
author
jvrao
<jvrao@linux.vnet.ibm.com>
Wed, 25 Aug 2010 16:27:06 +0000
(16:27 +0000)
committer
Eric Van Hensbergen
<ericvh@gmail.com>
Thu, 28 Oct 2010 14:08:45 +0000
(09:08 -0500)
Signed-off-by: Venkateswararao Jujjuri <jvrao@linux.vnet.ibm.com>
Signed-off-by: Eric Van Hensbergen <ericvh@gmail.com>
net/9p/client.c
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diff --git
a/net/9p/client.c
b/net/9p/client.c
index
c155cc4
..
e50ec80
100644
(file)
--- 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;