Fix NULL dereference in liblttngctl
authorDavid Goulet <david.goulet@polymtl.ca>
Thu, 10 Nov 2011 20:16:51 +0000 (15:16 -0500)
committerDavid Goulet <david.goulet@polymtl.ca>
Thu, 10 Nov 2011 20:16:51 +0000 (15:16 -0500)
Signed-off-by: David Goulet <david.goulet@polymtl.ca>
liblttngctl/lttngctl.c

index a1e577b2bb5f7f4bf14d1950c10928719fbc0eae..d0ba52bbf419d8a8b026a4316e3212271f0aef44 100644 (file)
@@ -335,7 +335,9 @@ static int ask_sessiond(struct lttcomm_session_msg *lsm, void **buf)
        size = llm.data_size;
        if (size == 0) {
                /* If client free with size 0 */
-               *buf = NULL;
+               if (buf != NULL) {
+                       *buf = NULL;
+               }
                ret = 0;
                goto end;
        }
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