diff mbox series

rtl8187: Fix warning generated when strncpy() destination length matches the sixe argument

Message ID 20180820184831.24206-1-Larry.Finger@lwfinger.net (mailing list archive)
State Accepted
Commit 199ba9faca909e77ac533449ecd1248123ce89e7
Delegated to: Kalle Valo
Headers show
Series rtl8187: Fix warning generated when strncpy() destination length matches the sixe argument | expand

Commit Message

Larry Finger Aug. 20, 2018, 6:48 p.m. UTC
In gcc8, when the 3rd argument (size) of a call to strncpy() matches the
length of the first argument, the compiler warns of the possibility of an
unterminated string. Using strlcpy() forces a null at the end.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
---
 drivers/net/wireless/realtek/rtl818x/rtl8187/leds.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Kalle Valo Aug. 31, 2018, 3:46 p.m. UTC | #1
Larry Finger <Larry.Finger@lwfinger.net> wrote:

> In gcc8, when the 3rd argument (size) of a call to strncpy() matches the
> length of the first argument, the compiler warns of the possibility of an
> unterminated string. Using strlcpy() forces a null at the end.
> 
> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>

Patch applied to wireless-drivers-next.git, thanks.

199ba9faca90 rtl8187: Fix warning generated when strncpy() destination length matches the sixe argument
diff mbox series

Patch

diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8187/leds.c b/drivers/net/wireless/realtek/rtl818x/rtl8187/leds.c
index c2d5b495c179..c089540116fa 100644
--- a/drivers/net/wireless/realtek/rtl818x/rtl8187/leds.c
+++ b/drivers/net/wireless/realtek/rtl818x/rtl8187/leds.c
@@ -146,7 +146,7 @@  static int rtl8187_register_led(struct ieee80211_hw *dev,
 	led->dev = dev;
 	led->ledpin = ledpin;
 	led->is_radio = is_radio;
-	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;