net: wireless: ipw2x00: ipw2200.c: Cleaning up missing null-terminate after strncpy call

Rickard Strandqvist · linvjw · commit 2da2c5854ed7 · 2014-08-11T14:43:51.000-04:00
Added a guaranteed null-terminate after call to strncpy.

Signed-off-by: Rickard Strandqvist &lt;rickard_strandqvist@spectrumdigital.se&gt;
Signed-off-by: John W. Linville &lt;linville@tuxdriver.com&gt;
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -9853,6 +9853,7 @@ static int ipw_wx_get_wireless_mode(struct net_device *dev,
 		strncpy(extra, "unknown", MAX_WX_STRING);
 		break;
 	}
+	extra[MAX_WX_STRING - 1] = '\0';
 
 	IPW_DEBUG_WX("PRIV GET MODE: %s\n", extra);
 

Original file line number	Diff line number	Diff line change
`@@ -9853,6 +9853,7 @@ static int ipw_wx_get_wireless_mode(struct net_device *dev,`
`9853`	`9853`	`strncpy(extra, "unknown", MAX_WX_STRING);`
`9854`	`9854`	`break;`
`9855`	`9855`	`}`
	`9856`	`+ extra[MAX_WX_STRING - 1] = '\0';`
`9856`	`9857`
`9857`	`9858`	`IPW_DEBUG_WX("PRIV GET MODE: %s\n", extra);`
`9858`	`9859`