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authorDavid S. Miller2016-03-08 18:34:12 +0100
committerDavid S. Miller2016-03-08 18:34:12 +0100
commit810813c47a564416f6306ae214e2661366c987a7 (patch)
treef0d1f856d4b0024324f642fe519963248828b83f /drivers/net/can/usb
parenthv_netvsc: Move subchannel waiting to rndis_filter_device_remove() (diff)
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Several cases of overlapping changes, as well as one instance (vxlan) of a bug fix in 'net' overlapping with code movement in 'net-next'. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/can/usb')
-rw-r--r--drivers/net/can/usb/gs_usb.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/net/can/usb/gs_usb.c b/drivers/net/can/usb/gs_usb.c
index 5eee62badf45..cbc99d5649af 100644
--- a/drivers/net/can/usb/gs_usb.c
+++ b/drivers/net/can/usb/gs_usb.c
@@ -826,9 +826,8 @@ static struct gs_can *gs_make_candev(unsigned int channel, struct usb_interface
static void gs_destroy_candev(struct gs_can *dev)
{
unregister_candev(dev->netdev);
- free_candev(dev->netdev);
usb_kill_anchored_urbs(&dev->tx_submitted);
- kfree(dev);
+ free_candev(dev->netdev);
}
static int gs_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
@@ -913,12 +912,15 @@ static int gs_usb_probe(struct usb_interface *intf, const struct usb_device_id *
for (i = 0; i < icount; i++) {
dev->canch[i] = gs_make_candev(i, intf);
if (IS_ERR_OR_NULL(dev->canch[i])) {
+ /* save error code to return later */
+ rc = PTR_ERR(dev->canch[i]);
+
/* on failure destroy previously created candevs */
icount = i;
- for (i = 0; i < icount; i++) {
+ for (i = 0; i < icount; i++)
gs_destroy_candev(dev->canch[i]);
- dev->canch[i] = NULL;
- }
+
+ usb_kill_anchored_urbs(&dev->rx_submitted);
kfree(dev);
return rc;
}
@@ -939,16 +941,12 @@ static void gs_usb_disconnect(struct usb_interface *intf)
return;
}
- for (i = 0; i < GS_MAX_INTF; i++) {
- struct gs_can *can = dev->canch[i];
-
- if (!can)
- continue;
-
- gs_destroy_candev(can);
- }
+ for (i = 0; i < GS_MAX_INTF; i++)
+ if (dev->canch[i])
+ gs_destroy_candev(dev->canch[i]);
usb_kill_anchored_urbs(&dev->rx_submitted);
+ kfree(dev);
}
static const struct usb_device_id gs_usb_table[] = {