From e04aa23e052089bfd9aaa577f6a6972fb058b650 Mon Sep 17 00:00:00 2001
From: =?utf8?q?J=C3=A9r=C3=A9mie=20Galarneau?=
 <jeremie.galarneau@efficios.com>
Date: Thu, 26 Mar 2015 14:49:52 -0400
Subject: [PATCH] Fix: Possible call to strtoul() with NULL argument
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Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>
---
 src/bin/lttng-sessiond/main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index f8f2a7ce3..89ef3b092 100644
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -4612,6 +4612,10 @@ static int set_option(int opt, const char *arg, const char *optname)
 		} else {
 			unsigned long v;
 
+			if (!arg) {
+				ret = -EINVAL;
+				goto end;
+			}
 			errno = 0;
 			v = strtoul(arg, NULL, 0);
 			if (errno != 0 || !isdigit(arg[0])) {
-- 
2.34.1