batman-adv: Return EINVAL on invalid gw_bandwidth change
Invalid speed settings by the user are currently acknowledged as correct
but not stored. Instead the return of the store operation of the file
"gw_bandwidth" should indicate that the given value is not acceptable.
Signed-off-by: Sven Eckelmann <sven@narfation.org>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
diff --git a/net/batman-adv/gateway_common.c b/net/batman-adv/gateway_common.c
index c50931c..6b930a6 100644
--- a/net/batman-adv/gateway_common.c
+++ b/net/batman-adv/gateway_common.c
@@ -19,6 +19,7 @@
#include "main.h"
#include <linux/atomic.h>
+#include <linux/errno.h>
#include <linux/byteorder/generic.h>
#include <linux/kernel.h>
#include <linux/netdevice.h>
@@ -160,7 +161,7 @@
ret = batadv_parse_gw_bandwidth(net_dev, buff, &down_new, &up_new);
if (!ret)
- goto end;
+ return -EINVAL;
if (!down_new)
down_new = 1;
@@ -184,7 +185,6 @@
atomic_set(&bat_priv->gw.bandwidth_up, up_new);
batadv_gw_tvlv_container_update(bat_priv);
-end:
return count;
}