| Message ID | 1436779237-18885-1-git-send-email-luis.henriques@canonical.com |
|---|---|
| State | New |
| Headers | show |
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index c24c0bb7f6f3..0c4a7aba42cb 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -376,6 +376,8 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, int cmd, u32 param) if (!(reg & DWC3_DGCMD_CMDACT)) { dev_vdbg(dwc->dev, "Command Complete --> %d\n", DWC3_DGCMD_STATUS(reg)); + if (DWC3_DGCMD_STATUS(reg)) + return -EINVAL; return 0; }
This is a note to let you know that I have just added a patch titled usb: dwc3: gadget: return error if command sent to DGCMD register fails to the linux-3.16.y-queue branch of the 3.16.y-ckt extended stable tree which can be found at: http://kernel.ubuntu.com/git/ubuntu/linux.git/log/?h=linux-3.16.y-queue This patch is scheduled to be released in version 3.16.7-ckt15. If you, or anyone else, feels it should not be added to this tree, please reply to this email. For more information about the 3.16.y-ckt tree, see https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable Thanks. -Luis ------ From 7d51799c17bd6d375d35945f3bd04f83a7d5d8cd Mon Sep 17 00:00:00 2001 From: Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xilinx.com> Date: Thu, 21 May 2015 15:46:47 +0530 Subject: usb: dwc3: gadget: return error if command sent to DGCMD register fails commit 891b1dc022955d36cf4c0f42d383226a930db7ed upstream. We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta <sbhatta@xilinx.com> Fixes: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support) Signed-off-by: Felipe Balbi <balbi@ti.com> [ luis: backported to 3.16: adjusted context ] Signed-off-by: Luis Henriques <luis.henriques@canonical.com> --- drivers/usb/dwc3/gadget.c | 2 ++ 1 file changed, 2 insertions(+)