common: bootm: check return value of strict_strtoul

Before continue, check return value of strict_strtoul.

Signed-off-by: Peng Fan <[email protected]>
Cc: Albert Aribaud <[email protected]>
Cc: Simon Glass <[email protected]>
Cc: Jan Kiszka <[email protected]>
Cc: Joe Hershberger <[email protected]>
Cc: Hans de Goede <[email protected]>
Cc: York Sun <[email protected]>
Cc: Tom Rini <[email protected]>
Reviewed-by: Simon Glass <[email protected]>

diff --git a/arch/arm/lib/bootm.c b/arch/arm/lib/bootm.c
index ee56d7403e93379b056bb8379c8153d48a79c187..a477cae010db9da5d2f6a04f706e9b16342feaba 100644 (file)
--- a/arch/arm/lib/bootm.c
+++ b/arch/arm/lib/bootm.c
@@ -290,7 +290,10 @@ static void boot_jump_linux(bootm_headers_t *images, int flag)
 
        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);
        }