shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 10:58:48 +09:00
Code Issues Packages Projects Releases Wiki Activity

usb: chipidea: udc: check request status before setting device address

Browse Source 
commit b24346a240 upstream.

The complete() function may be called even though request is not
completed. In this case, it's necessary to check request status so
as not to set device address wrongly.

Fixes: 10775eb17b ("usb: chipidea: udc: update gadget states according to ch9")
cc: <stable@vger.kernel.org>
Signed-off-by: Xu Yang <xu.yang_2@nxp.com>
Link: https://lore.kernel.org/r/20220623030242.41796-1-xu.yang_2@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Xu Yang
2022-06-23 11:02:42 +08:00
committed by Greg Kroah-Hartman
parent 07f1d9a6b7
commit 308df8d4e4
1 changed files with 3 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
drivers/usb/chipidea/udc.c
View File

@@ -1040,6 +1040,9 @@ isr_setup_status_complete(struct usb_ep *ep, struct usb_request *req)
struct ci_hdrc *ci = req->context;
unsigned long flags;
if (req->status < 0)
return;
if (ci->setaddr) {
hw_usb_set_address(ci, ci->address);
ci->setaddr = false;