From 4a92d74e4f311635d12c593b3ef2b66c460a843b Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Tue, 31 Jul 2018 21:14:04 +0200 Subject: [PATCH] b43/leds: Ensure NUL-termination of LED name string commit 2aa650d1950fce94f696ebd7db30b8830c2c946f upstream. strncpy might not NUL-terminate the string, if the name equals the buffer size. Use strlcpy instead. Signed-off-by: Michael Buesch Cc: stable@vger.kernel.org Signed-off-by: Kalle Valo Signed-off-by: Greg Kroah-Hartman --- drivers/net/wireless/broadcom/b43/leds.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/broadcom/b43/leds.c b/drivers/net/wireless/broadcom/b43/leds.c index cb987c2..87131f6 100644 --- a/drivers/net/wireless/broadcom/b43/leds.c +++ b/drivers/net/wireless/broadcom/b43/leds.c @@ -131,7 +131,7 @@ static int b43_register_led(struct b43_wldev *dev, struct b43_led *led, led->wl = dev->wl; led->index = led_index; led->activelow = activelow; - strncpy(led->name, name, sizeof(led->name)); + strlcpy(led->name, name, sizeof(led->name)); atomic_set(&led->state, 0); led->led_dev.name = led->name; -- 2.7.4