Commit 2edb11cb authored Feb 22, 2011 by Maulik Mankad Committed by Greg Kroah-Hartman Feb 25, 2011

usb: gadget: composite: fix req->length in composite_setup()



When USB CV MSC tests are run on f_mass_storage gadget
Bulk Only Mass Storage Reset fails since req->length
is set to USB_BUFSIZ=1024 in composite_setup().

Initialize req->length to zero to fix this.

Signed-off-by: Maulik Mankad <maulik@ti.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

parent 3b29b68b

drivers/usb/gadget/composite.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -813,7 +813,7 @@ composite_setup(struct usb_gadget gadget, const struct usb_ctrlrequest ctrl)
		*/
		req->zero = 0;
		req->complete = composite_setup_complete;
		req->length = USB_BUFSIZ;
		req->length = 0;
		gadget->ep0->driver_data = cdev;

		switch (ctrl->bRequest) {

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