From: Jens Steinhauser <redacted>
Date: Fri, 17 Apr 2015 21:28:44 +0000 (+0200)
Subject: Check if hash table is NULL before accessing it.
X-Git-Tag: sigrok-cli-0.6.0~30
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=bc5b66d7044337c00a6c2a8af86b910d33a56a90;p=sigrok-cli.git

Check if hash table is NULL before accessing it.

This fixes bug 520.
---

diff --git a/parsers.c b/parsers.c
index d788532..333e6e4 100644
--- a/parsers.c
+++ b/parsers.c
@@ -408,6 +408,9 @@ int parse_driver(char *arg, struct sr_dev_driver **driver, GSList **drvopts)
 	int i;
 	char *drvname;
 
+	if (!arg)
+		return FALSE;
+
 	drvargs = parse_generic_arg(arg, TRUE);
 
 	drvname = g_strdup(g_hash_table_lookup(drvargs, "sigrok_key"));