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irda-usb: add error handling and fix leak 

If the call to kcalloc() fails then we should return -ENOMEM.

Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Dan Carpenter 2010-03-07 02:35:42 +00:00 committed by David S. Miller
parent 72150e9b7f
commit 0e2b807234
1 changed files with 4 additions and 0 deletions
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4
drivers/net/irda/irda-usb.c
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@ -1651,6 +1651,8 @@ static int irda_usb_probe(struct usb_interface *intf,
self->rx_urb = kcalloc(self->max_rx_urb, sizeof(struct urb *),
GFP_KERNEL);
if (!self->rx_urb)
goto err_free_net;
for (i = 0; i < self->max_rx_urb; i++) {
self->rx_urb[i] = usb_alloc_urb(0, GFP_KERNEL);
@ -1783,6 +1785,8 @@ err_out_2:
err_out_1:
for (i = 0; i < self->max_rx_urb; i++)
usb_free_urb(self->rx_urb[i]);
kfree(self->rx_urb);
err_free_net:
free_netdev(net);
err_out:
return ret;