[PATCH] knfsd: rpcsec_gss: comparing pointer to 0 instead of NULL

Just noticed while fixing some other sparse-related stuff.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Neil Brown <neilb@cse.unsw.edu.au>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

net/sunrpc/auth_gss/svcauth_gss.c

@@ -958,7 +958,7 @@ svcauth_gss_release(struct svc_rqst *rqstp)
 	if (gc->gc_proc != RPC_GSS_PROC_DATA)
 		goto out;
 	/* Release can be called twice, but we only wrap once. */
-	if (gsd->body_start == 0)
+	if (gsd->body_start == NULL)
 		goto out;
 	/* normally not set till svc_send, but we need it here: */
 	resbuf->len = resbuf->head[0].iov_len