Revert "CHROMIUM: usb: gadget: f_fs: Fix kernel panic for SuperSpeed"

This reverts commit 6538654.

BUG=b/28609271
TEST=No boot loop on switching to recovery/factory wipe.

Change-Id: I67ab8c0a509ed0827a6892adf4390ca82830785b
Reviewed-on: https://chromium-review.googlesource.com/342833
Reviewed-by: Stephen Barber <smbarber@chromium.org>
Commit-Queue: Stephen Barber <smbarber@chromium.org>
Tested-by: Stephen Barber <smbarber@chromium.org>

drivers/usb/gadget/function/f_fs.c

@@ -2062,7 +2062,8 @@ static int __ffs_data_do_os_desc(enum ffs_os_desc_type type,
 		int i;
 
 		if (len < sizeof(*d) ||
-		    d->bFirstInterfaceNumber >= ffs->interfaces_count)
+		    d->bFirstInterfaceNumber >= ffs->interfaces_count ||
+		    d->Reserved1)
 			return -EINVAL;
 		for (i = 0; i < ARRAY_SIZE(d->Reserved2); ++i)
 			if (d->Reserved2[i])