[PATCH 3.16 121/328] b43/leds: Ensure NUL-termination of LED name string

Ben Hutchings
2018-12-09T22:05:31Z

From: Michael Büsch <m@bues.ch>

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 <m@bues.ch>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
[bwh: Backported to 3.16: adjust filename]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
---
drivers/net/wireless/b43/leds.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/wireless/b43/leds.c
+++ b/drivers/net/wireless/b43/leds.c
@@ -131,7 +131,7 @@ static int b43_register_led(struct b43_w
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;