wlags49_h2: Fix overflow in wireless_set_essid()

This patch prevents the wireless_set_essid() function from overwriting the last byte of the NetworkName buffer which must be NULL. Signed-off-by: Maurizio Lombardi <mlombard@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
git-mirror · Feb 7, 2014 · 6b89db3 · 6b89db3
1 parent ad3815a
commit 6b89db3
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/staging/wlags49_h2/wl_wext.c b/drivers/staging/wlags49_h2/wl_wext.c
@@ -1061,7 +1061,7 @@ static int wireless_set_essid(struct net_device *dev, struct iw_request_info *in
 		goto out;
 	}
 
-	if (data->flags != 0 && data->length > HCF_MAX_NAME_LEN + 1) {
+	if (data->flags != 0 && data->length > HCF_MAX_NAME_LEN) {
 		ret = -EINVAL;
 		goto out;
 	}