From mboxrd@z Thu Jan 1 00:00:00 1970 From: arjun024@gmail.com (Arjun Sreedharan) Date: Sat, 22 Nov 2014 00:58:36 +0530 Subject: [PATCH] arm: early_printk: do bound check independent of @n Message-ID: <1416598116-2461-1-git-send-email-arjun024@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Signed-off-by: Arjun Sreedharan --- arch/arm/kernel/early_printk.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/kernel/early_printk.c b/arch/arm/kernel/early_printk.c index 4307653..9e05f8a 100644 --- a/arch/arm/kernel/early_printk.c +++ b/arch/arm/kernel/early_printk.c @@ -16,7 +16,7 @@ extern void printch(int); static void early_write(const char *s, unsigned n) { - while (n-- > 0) { + while (*s && n-- > 0) { if (*s == '\n') printch('\r'); printch(*s); -- 1.7.11.7