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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>
This commit is contained in:
Sven Eckelmann 2015-06-21 14:42:49 +02:00 committed by Antonio Quartulli
parent a121048a89
commit 77927b7d9d
1 changed files with 2 additions and 2 deletions
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4
net/batman-adv/gateway_common.c
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@ -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 @@ ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff,
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 @@ ssize_t batadv_gw_bandwidth_set(struct net_device *net_dev, char *buff,
atomic_set(&bat_priv->gw.bandwidth_up, up_new);
batadv_gw_tvlv_container_update(bat_priv);
end:
return count;
}