X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fmadwifi.c;h=7987378ed4a857e5674080b2d540bfdfbc11b6f6;hb=25b5f5c49dd50c64f41b7bf69b8e471b0ffc6f15;hp=13301fffe15aea8afbce76c3ce06105ededfa195;hpb=c1318b06b424523d3704fcdfd16d3adb25d17d18;p=collectd.git

diff --git a/src/madwifi.c b/src/madwifi.c
index 13301fff..7987378e 100644
--- a/src/madwifi.c
+++ b/src/madwifi.c
@@ -821,15 +821,16 @@ check_devname (const char *dev)
 
 	if (dev[0] == '.')
 		return 0;
-	
+
 	ssnprintf (buf, sizeof (buf), "/sys/class/net/%s/device/driver", dev);
-	buf[sizeof (buf) - 1] = 0;
+	buf[sizeof (buf) - 1] = '\0';
 
-	memset (buf2, 0, sizeof (buf2));
 	i = readlink (buf, buf2, sizeof (buf2) - 1);
 	if (i < 0)
 		return 0;
 
+	buf2[i] = '\0';
+
 	if (strstr (buf2, "/drivers/ath_") == NULL)
 		return 0;
 	return 1;