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irda-usb: add error handling and fix leak

PATCH Applied Dan Carpenter 2 participants 2 messages Mar 7, 2010

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Dan Carpenter

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PATCH 1/1 irda-usb: add error handling and fix leak

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

Signed-off-by Dan Carpenter <[email protected]>
drivers/net/irda/irda-usb.c +4 -0
index e8e33bb..2c9b3af 100644
@@ -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;