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path: root/drivers/net/can/dev/netlink.c
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Diffstat (limited to 'drivers/net/can/dev/netlink.c')
-rw-r--r--drivers/net/can/dev/netlink.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/net/can/dev/netlink.c b/drivers/net/can/dev/netlink.c
index 0591406b6f32..6f83b87d54fc 100644
--- a/drivers/net/can/dev/netlink.c
+++ b/drivers/net/can/dev/netlink.c
@@ -452,7 +452,9 @@ static int can_changelink(struct net_device *dev, struct nlattr *tb[],
}
if (data[IFLA_CAN_RESTART_MS]) {
- if (!priv->do_set_mode) {
+ unsigned int restart_ms = nla_get_u32(data[IFLA_CAN_RESTART_MS]);
+
+ if (restart_ms != 0 && !priv->do_set_mode) {
NL_SET_ERR_MSG(extack,
"Device doesn't support restart from Bus Off");
return -EOPNOTSUPP;
@@ -461,7 +463,7 @@ static int can_changelink(struct net_device *dev, struct nlattr *tb[],
/* Do not allow changing restart delay while running */
if (dev->flags & IFF_UP)
return -EBUSY;
- priv->restart_ms = nla_get_u32(data[IFLA_CAN_RESTART_MS]);
+ priv->restart_ms = restart_ms;
}
if (data[IFLA_CAN_RESTART]) {