| commit | 4cb4221764ef473cd36e1953f1fea11865786d65 | [log] [tgz] |
|---|---|---|
| author | Felipe Balbi <felipe.balbi@linux.intel.com> | Wed May 18 12:37:21 2016 +0300 |
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | Mon Jun 20 12:32:37 2016 +0300 |
| tree | 133a36b3808857ad4d6cf0feff76c3ee245f6f4a | |
| parent | 9cad39fe4e4a4fe95d8ea5a7b0692b0a6e89e38b [diff] |
usb: dwc3: gadget: fix for possible endpoint disable race when we call dwc3_gadget_giveback(), we end up releasing our controller's lock. Another thread could get scheduled and disable the endpoint, subsequently setting dep->endpoint.desc to NULL. In that case, we would end up dereferencing a NULL pointer which would result in a Kernel Oops. Let's avoid the problem by simply returning early if we have a NULL descriptor. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>