shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-09 12:17:12 +09:00
Code Issues Packages Projects Releases Wiki Activity

usb: gadget: core: Fix use-after-free of usb_request

Browse Source 
[ Upstream commit e74bd4d358 ]

Driver is tracing usb_request after freeing it.
Fix it by changing the order.

Signed-off-by: Manu Gautam <mgautam@codeaurora.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Manu Gautam
2017-12-21 09:54:25 +05:30
committed by Greg Kroah-Hartman
parent 7a1edc3255
commit 36d64865d3
1 changed files with 1 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/usb/gadget/udc/core.c
View File

@@ -190,8 +190,8 @@ EXPORT_SYMBOL_GPL(usb_ep_alloc_request);
void usb_ep_free_request(struct usb_ep *ep,
struct usb_request *req)
{
ep->ops->free_request(ep, req);
trace_usb_ep_free_request(ep, req, 0);
ep->ops->free_request(ep, req);
}
EXPORT_SYMBOL_GPL(usb_ep_free_request);