CHROMIUM: virtwl: fix asterisk placement around __user

Should fix these warnings:

drivers/virtio/virtio_wl.c:1013:52: sparse:
			dereference of noderef expression
drivers/virtio/virtio_wl.c:1013:52: sparse:
			incorrect type in argument 3 (different address spaces)

BUG=chromium:738638
TEST=Run virtio_wl.c through sparse

Change-Id: Ic2085290789b118686ab8b6b3403884257981e66
Reviewed-on: https://chromium-review.googlesource.com/922387
Commit-Ready: Guenter Roeck <groeck@chromium.org>
Tested-by: Guenter Roeck <groeck@chromium.org>
Tested-by: Zach Reizner <zachr@chromium.org>
Reviewed-by: Guenter Roeck <groeck@chromium.org>
Reviewed-by: Dmitry Torokhov <dtor@chromium.org>
1 file changed