From: Volker Lendecke <vl@samba.org>
Date: Tue, 28 May 2019 06:49:52 +0000 (+0200)
Subject: lib: Fix CID 1445648 Null pointer dereferences
X-Git-Tag: ldb-2.0.5~608
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=32999e148727ff3f0371a78dd80b7c3e6b666391;p=thirdparty%2Fsamba.git

lib: Fix CID 1445648 Null pointer dereferences

Signed-off-by: Volker Lendecke <vl@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
---

diff --git a/lib/util/sys_popen.c b/lib/util/sys_popen.c
index 659e99ba736..f62199b42ff 100644
--- a/lib/util/sys_popen.c
+++ b/lib/util/sys_popen.c
@@ -44,13 +44,14 @@ int sys_popenv(char * const argl[])
 	int parent_end, child_end;
 	int pipe_fds[2];
 	popen_list *entry = NULL;
-	const char *command = argl[0];
+	const char *command = NULL;
 	int ret;
 
 	if (argl == NULL) {
 		errno = EINVAL;
 		return -1;
 	}
+	command = argl[0];
 
 	if (!*command) {
 		errno = EINVAL;