USB: remove unnecessary type casting of urb->context

urb->context code cleanup

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index 0a2549b..1cb54a2 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -154,7 +154,7 @@
  */
 static void iowarrior_callback(struct urb *urb)
 {
-	struct iowarrior *dev = (struct iowarrior *)urb->context;
+	struct iowarrior *dev = urb->context;
 	int intr_idx;
 	int read_idx;
 	int aux_idx;
@@ -230,7 +230,7 @@
 	struct iowarrior *dev;
 	int status = urb->status;
 
-	dev = (struct iowarrior *)urb->context;
+	dev = urb->context;
 	/* sync/async unlink faults aren't errors */
 	if (status &&
 	    !(status == -ENOENT ||