From f9935c87b6c8e81ef8d621bd06d24a78eec8a821 Mon Sep 17 00:00:00 2001 From: Eric Nelson <eric.nelson@boundarydevices.com> Date: Fri, 19 Sep 2014 17:06:46 -0700 Subject: [PATCH] usb: f_mass_storage: set removable flag in do_inquiry based on LUN Without this flag, tools like Alex Page's USB Image Tool won't see drives exposed over USB Gadget as removable, and won't allow access to them. http://www.alexpage.de/usb-image-tool/ The code was pulled from the main-line kernel: drivers/usb/gadget/function/f_mass_storage.c Signed-off-by: Eric Nelson <eric.nelson@boundarydevices.com> --- drivers/usb/gadget/f_mass_storage.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c index f274d9679f..e045957d07 100644 --- a/drivers/usb/gadget/f_mass_storage.c +++ b/drivers/usb/gadget/f_mass_storage.c @@ -1110,6 +1110,7 @@ static int do_inquiry(struct fsg_common *common, struct fsg_buffhd *bh) memset(buf, 0, 8); buf[0] = TYPE_DISK; + buf[1] = curlun->removable ? 0x80 : 0; buf[2] = 2; /* ANSI SCSI level 2 */ buf[3] = 2; /* SCSI-2 INQUIRY data format */ buf[4] = 31; /* Additional length */ -- 2.39.5