1 files changed, 1 insertions, 2 deletions

diff --git a/arch/arm/mach-pxa/viper.c b/arch/arm/mach-pxa/viper.c
index 392412ce4dac..c773e4dded64 100644
--- a/arch/arm/mach-pxa/viper.c
+++ b/arch/arm/mach-pxa/viper.c
@@ -768,8 +768,7 @@ static unsigned long viper_tpm;
 
 static int __init viper_tpm_setup(char *str)
 {
-        strict_strtoul(str, 10, &viper_tpm);
-        return 1;
+        return strict_strtoul(str, 10, &viper_tpm) >= 0;
 }
 
 __setup("tpm=", viper_tpm_setup);