USB iowarrior.c: fix check-after-use

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

Since "dev" being NULL doesn't seem to be possible here this patch removes the NULL check.

---
82a9906788e8bedc6d5adc54046e1713e4a399df

index 46d9f27..9930b0a 100644
@@ -351,7 +351,7 @@ static ssize_t iowarrior_write(struct file *file,
 
 	mutex_lock(&dev->mutex);
 	/* verify that the device wasn't unplugged */
-	if (dev == NULL || !dev->present) {
+	if (!dev->present) {
 		retval = -ENODEV;
 		goto exit;
 	}

Am Donnerstag 18 Oktober 2007 schrieb Adrian Bunk:

Looking good.

Regards
Oliver