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authorRoger Quadros <roger.quadros@nokia.com>2011-04-05 18:36:38 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2011-04-13 16:40:59 -0700
commit73ee4da994e7b97bd8241e39099cf3dd94675d79 (patch)
tree3883124d341dc96ea32aa5d097319cf3a32b2a2d /drivers/usb/gadget/f_mass_storage.c
parent654d121ad8c84e3442efee20b2a0703edb18c212 (diff)
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usb: gadget: f_mass_storage: Fix Bulk-only RESET handling
The ep0 request tag was not recorded thus resulting in phase problems while sending status/response in handle_execption() handler. This was resulting in MSC compliance test failures with USBCV tool. With this patch, the Bulk-Only Mass storage RESET request is handled correctly and the MSC compliance tests pass. Signed-off-by: Roger Quadros <roger.quadros@nokia.com> Acked-by: Michal Nazarewicz <mina86@mina86.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/gadget/f_mass_storage.c')
-rw-r--r--drivers/usb/gadget/f_mass_storage.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/usb/gadget/f_mass_storage.c b/drivers/usb/gadget/f_mass_storage.c
index 98d6b390..e9de33d 100644
--- a/drivers/usb/gadget/f_mass_storage.c
+++ b/drivers/usb/gadget/f_mass_storage.c
@@ -599,6 +599,11 @@ static int fsg_setup(struct usb_function *f,
if (!fsg_is_set(fsg->common))
return -EOPNOTSUPP;
+ ++fsg->common->ep0_req_tag; /* Record arrival of a new request */
+ req->context = NULL;
+ req->length = 0;
+ dump_msg(fsg, "ep0-setup", (u8 *) ctrl, sizeof(*ctrl));
+
switch (ctrl->bRequest) {
case USB_BULK_RESET_REQUEST: