From: Uwe Bonnes <bon@elektron.ikp.physik.tu-darmstadt.de>
Date: Sat, 10 Dec 2011 16:15:48 +0000 (+0100)
Subject: Only call strtoul when there is an argument that strtoul can work on
X-Git-Url: https://git.gag.com/?p=fw%2Fstlink;a=commitdiff_plain;h=2edd0530a6d3dfc428bedc3d9628093775673389

Only call strtoul when there is an argument that strtoul can work on
---

diff --git a/flash/main.c b/flash/main.c
index 8781941..39910b6 100644
--- a/flash/main.c
+++ b/flash/main.c
@@ -48,8 +48,8 @@ static int get_opts(struct opts* o, int ac, char** av)
       o->devname = av[1];
       i = 1;
     }
-
-    o->size = strtoul(av[i + 3], NULL, 16);
+    if (ac > 3)
+	o->size = strtoul(av[i + 3], NULL, 16);
   }
   else if (strcmp(av[0], "write") == 0)
   {