staging: line6: eliminate useless NULL checks
The line6 driver checks struct field addresses for NULL where it does
not make sense to do so. The struct has already been checked for NULL
and there is no value in checking the first field's address too.
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Stefan Hajnoczi <stefanha@gmail.com>
Signed-off-by: Markus Grabner <grabner@icg.tugraz.at>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/staging/line6/variax.c b/drivers/staging/line6/variax.c
index 81241cd..d366222 100644
--- a/drivers/staging/line6/variax.c
+++ b/drivers/staging/line6/variax.c
@@ -572,14 +572,10 @@
static void variax_destruct(struct usb_interface *interface)
{
struct usb_line6_variax *variax = usb_get_intfdata(interface);
- struct usb_line6 *line6;
if (variax == NULL)
return;
- line6 = &variax->line6;
- if (line6 == NULL)
- return;
- line6_cleanup_audio(line6);
+ line6_cleanup_audio(&variax->line6);
del_timer(&variax->startup_timer1);
del_timer(&variax->startup_timer2);