Messages in this thread Patch in this message | | | From | Arjun Sreedharan <> | Subject | [PATCH] arm: early_printk: do bound check independent of @n | Date | Sat, 22 Nov 2014 00:58:36 +0530 |
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Signed-off-by: Arjun Sreedharan <arjun024@gmail.com> --- 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
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