Commit 9351982b authored Jul 23, 2007 by Micah Gruber Committed by Jeff Garzik Jul 30, 2007

Fix a potential NULL pointer dereference in write_bulk_callback() in drivers/net/usb/pegasus.c



This patch fixes a potential null dereference bug where we dereference
pegasus before a null check. This patch simply moves the dereferencing
after the null check.

Signed-off-by: Micah Gruber <micah.gruber@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

parent 80ba80a9

drivers/net/usb/pegasus.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -768,11 +768,13 @@ done:
		static void write_bulk_callback(struct urb *urb)
		{
		pegasus_t *pegasus = urb->context;
		struct net_device *net = pegasus->net;
		struct net_device *net;

		if (!pegasus)
		return;

		net = pegasus->net;

		if (!netif_device_present(net) \|\| !netif_running(net))
		return;