From 637d38f2465eda9bfb0f56e43c99ba39bbe09e70 Mon Sep 17 00:00:00 2001
From: Christian Brauner <christian.brauner@ubuntu.com>
Date: Sat, 20 Oct 2018 11:57:02 +0200
Subject: [PATCH] coverity: #1440391

Dereference null return value

Signed-off-by: Christian Brauner <christian.brauner@ubuntu.com>
---
 src/lxc/confile.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/lxc/confile.c b/src/lxc/confile.c
index 68d36489e..e1f4266b6 100644
--- a/src/lxc/confile.c
+++ b/src/lxc/confile.c
@@ -3489,8 +3489,10 @@ static int get_config_hooks(const char *key, char *retv, int inlen,
 		return -1;
 
 	subkey = strchr(subkey + 1, '.');
+	if (!subkey)
+		return -1;
 	subkey++;
-	if (!*subkey)
+	if (*subkey == '\0')
 		return -1;
 
 	for (i = 0; i < NUM_LXC_HOOKS; i++) {