common: bootm: check return value of strict_strtoul
Before continue, check return value of strict_strtoul.
Signed-off-by: Peng Fan <Peng.Fan@freescale.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
Cc: Simon Glass <sjg@chromium.org>
Cc: Jan Kiszka <jan.kiszka@siemens.com>
Cc: Joe Hershberger <joe.hershberger@ni.com>
Cc: Hans de Goede <hdegoede@redhat.com>
Cc: York Sun <yorksun@freescale.com>
Cc: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index ee56d74..a477cae 100644
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -290,7 +290,10 @@
s = getenv("machid");
if (s) {
- strict_strtoul(s, 16, &machid);
+ if (strict_strtoul(s, 16, &machid) < 0) {
+ debug("strict_strtoul failed!\n");
+ return;
+ }
printf("Using machid 0x%lx from environment\n", machid);
}