[2.6 patch] usbat_check_status(): fix check-after-use

The Coverity checker spotted that we have already oops'ed if "us"
was NULL.

Since "us" can't be NULL in the only caller this patch removes the
NULL check.

Signed-off-by: Adrian Bunk <[email protected]>

---
--- linux-2.6.23-rc1-mm1/drivers/usb/storage/shuttle_usbat.c.old	2007-07-30 16:56:34.000000000 +0200
+++ linux-2.6.23-rc1-mm1/drivers/usb/storage/shuttle_usbat.c	2007-07-30 16:57:24.000000000 +0200
@@ -190,9 +190,6 @@ static int usbat_check_status(struct us_
 	unsigned char *reply = us->iobuf;
 	int rc;
 
-	if (!us)
-		return USB_STOR_TRANSPORT_ERROR;
-
 	rc = usbat_get_status(us, reply);
 	if (rc != USB_STOR_XFER_GOOD)
 		return USB_STOR_TRANSPORT_FAILED;

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