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>
diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c
index e8e33bb..2c9b3af 100644
--- a/drivers/net/irda/irda-usb.c
+++ b/drivers/net/irda/irda-usb.c
@@ -1651,6 +1651,8 @@
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_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;