netdev - [PATCH 1/2] staging: rtl8192e: Fix compiler warning about strncpy

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Date:   Mon, 20 Aug 2018 12:51:23 -0500
From:   Larry Finger <Larry.Finger@...inger.net>
To:     gregkh@...uxfoundation.org
Cc:     netdev@...r.kernel.org, devel@...verdev.osuosl.org,
        Larry Finger <Larry.Finger@...inger.net>
Subject: [PATCH 1/2] staging: rtl8192e: Fix compiler warning about strncpy

When strncpy() is called with source and destination strings the same
length, gcc 8 warns that there may be an unterminated string. Using
strlcpy() rather than strncpy() forces a null at the end and quiets the
warning.

Signed-off-by: Larry Finger <Larry.Finger@...inger.net>
---
 drivers/staging/rtl8192e/rtllib_softmac.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 919231fec09c..95a8390cb7ac 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -1684,14 +1684,14 @@ inline void rtllib_softmac_new_net(struct rtllib_device *ieee,
 			 * essid provided by the user.
 			 */
 			if (!ssidbroad) {
-				strncpy(tmp_ssid, ieee->current_network.ssid,
+				strlcpy(tmp_ssid, ieee->current_network.ssid,
 					IW_ESSID_MAX_SIZE);
 				tmp_ssid_len = ieee->current_network.ssid_len;
 			}
 			memcpy(&ieee->current_network, net,
 			       sizeof(struct rtllib_network));
 			if (!ssidbroad) {
-				strncpy(ieee->current_network.ssid, tmp_ssid,
+				strlcpy(ieee->current_network.ssid, tmp_ssid,
 					IW_ESSID_MAX_SIZE);
 				ieee->current_network.ssid_len = tmp_ssid_len;
 			}
-- 
2.18.0