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b43legacy/leds: Ensure NUL-termination of LED name string

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commit 4d77a89e3924b12f4a5628b21237e57ab4703866 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>
Cc: stable@vger.kernel.org
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Michael Buesch 2018-07-31 21:14:16 +02:00 committed by Greg Kroah-Hartman
parent f337a54878
commit f0f3784ee3
1 changed files with 1 additions and 1 deletions
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drivers/net/wireless/broadcom/b43legacy/leds.c
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@ -101,7 +101,7 @@ static int b43legacy_register_led(struct b43legacy_wldev *dev,
led->dev = dev;
led->index = led_index;
led->activelow = activelow;
strncpy(led->name, name, sizeof(led->name));
strlcpy(led->name, name, sizeof(led->name));
led->led_dev.name = led->name;
led->led_dev.default_trigger = default_trigger;