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| author | Pawel Laszczak <pawell@cadence.com> | 2023-07-13 04:14:29 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-10-02 13:19:13 +0200 |
| commit | 34f08eb0ba6e4869bbfb682bf3d7d0494ffd2f87 (patch) | |
| tree | eb316da0535b7c9e139d86e78284494c0ccc058d /drivers | |
| parent | 57e50f4bad02823fb19609e7a2150d8d866db91b (diff) | |
| download | linux-stable-34f08eb0ba6e4869bbfb682bf3d7d0494ffd2f87.tar.gz linux-stable-34f08eb0ba6e4869bbfb682bf3d7d0494ffd2f87.tar.bz2 linux-stable-34f08eb0ba6e4869bbfb682bf3d7d0494ffd2f87.zip | |
usb: cdnsp: Fixes issue with dequeuing not queued requests
Gadget ACM while unloading module try to dequeue not queued usb
request which causes the kernel to crash.
Patch adds extra condition to check whether usb request is processed
by CDNSP driver.
cc: stable@vger.kernel.org
Fixes: 3d82904559f4 ("usb: cdnsp: cdns3 Add main part of Cadence USBSSP DRD Driver")
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Acked-by: Peter Chen <peter.chen@kernel.org>
Link: https://lore.kernel.org/r/20230713081429.326660-1-pawell@cadence.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/cdns3/cdnsp-gadget.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/cdns3/cdnsp-gadget.c b/drivers/usb/cdns3/cdnsp-gadget.c index fff9ec9c391f..4b67749edb99 100644 --- a/drivers/usb/cdns3/cdnsp-gadget.c +++ b/drivers/usb/cdns3/cdnsp-gadget.c @@ -1125,6 +1125,9 @@ static int cdnsp_gadget_ep_dequeue(struct usb_ep *ep, unsigned long flags; int ret; + if (request->status != -EINPROGRESS) + return 0; + if (!pep->endpoint.desc) { dev_err(pdev->dev, "%s: can't dequeue to disabled endpoint\n", |