UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Maulik Mankad 2011-02-22 19:08:42 +05:30 committed by Greg Kroah-Hartman
parent 3b29b68b16
commit 2edb11cbac
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/gadget/composite.c
View File

@ -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) {