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authorWolfgang Grandegger <wg@grandegger.com>2009-07-20 04:06:40 +0000
committerDavid S. Miller <davem@davemloft.net>2009-07-20 12:28:29 -0700
commitb3d0df7ca35018ebbc24fd102ed7021cf593ba74 (patch)
tree109a3480057ceeb8807f91877470046965153893 /drivers
parente2372902d84af3443d421a984d812ec87eeb0758 (diff)
can: restart device even if dev_alloc_skb() fails
If dev_alloc_skb() failed in can_restart(), the device was left behind in the bus-off state. This patch restarts the device nevertheless. Signed-off-by: Kurt Van Dijck <kurt.van.dijck@eia.be> Signed-off-by: Wolfgang Grandegger <wg@grandegger.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/can/dev.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index 574daddc21b..06083c32869 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -346,7 +346,7 @@ void can_restart(unsigned long data)
skb = dev_alloc_skb(sizeof(struct can_frame));
if (skb == NULL) {
err = -ENOMEM;
- goto out;
+ goto restart;
}
skb->dev = dev;
skb->protocol = htons(ETH_P_CAN);
@@ -361,13 +361,13 @@ void can_restart(unsigned long data)
stats->rx_packets++;
stats->rx_bytes += cf->can_dlc;
+restart:
dev_dbg(dev->dev.parent, "restarted\n");
priv->can_stats.restarts++;
/* Now restart the device */
err = priv->do_set_mode(dev, CAN_MODE_START);
-out:
netif_carrier_on(dev);
if (err)
dev_err(dev->dev.parent, "Error %d during restart", err);