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@xxxxxxxxx>
---
--- a/drivers/net/usb/pegasus.c
+++ b/drivers/net/usb/pegasus.c
@@ -768,11 +768,13 @@
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;
+