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[PATCH net-next] wifi: ipw2200: use strscpy() to instead of strncpy()

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From: Xu Panda <xu.panda@xxxxxxxxxx>

The implementation of strscpy() is more robust and safer.
That's now the recommended way to copy NUL-terminated strings.

Signed-off-by: Xu Panda <xu.panda@xxxxxxxxxx>
Signed-off-by: Yang Yang <yang.yang29@xxxxxxx>
---
 drivers/net/wireless/intel/ipw2x00/ipw2200.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/net/wireless/intel/ipw2x00/ipw2200.c b/drivers/net/wireless/intel/ipw2x00/ipw2200.c
index ca802af8cddc..6656cea496b1 100644
--- a/drivers/net/wireless/intel/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/intel/ipw2x00/ipw2200.c
@@ -1483,8 +1483,7 @@ static ssize_t scan_age_store(struct device *d, struct device_attribute *attr,

 	IPW_DEBUG_INFO("enter\n");

-	strncpy(buffer, buf, len);
-	buffer[len] = 0;
+	strncpy(buffer, buf, len + 1);

 	if (p[1] == 'x' || p[1] == 'X' || p[0] == 'x' || p[0] == 'X') {
 		p++;
-- 
2.15.2



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