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Date: Thu, 21 May 2015 15:46:47 +0530 From: Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@...inx.com> To: <balbi@...com> CC: <gregkh@...uxfoundation.org>, <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <stable@...r.kernel.org>, "Subbaraya Sundeep Bhatta" <sbhatta@...inx.com> Subject: [PATCH v2 2/3] usb: dwc3: gadget: return error if command sent to DGCMD register fails We need to return error to caller if command is not sent to controller succesfully. Signed-off-by: Subbaraya Sundeep Bhatta <sbhatta@...inx.com> Fixes: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support) Cc: <stable@...r.kernel.org> #v3.5+ --- v2 changes: Added Fixes and Cc in commit message. drivers/usb/dwc3/gadget.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 8946c32..fcbe120 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -291,6 +291,8 @@ int dwc3_send_gadget_generic_command(struct dwc3 *dwc, unsigned cmd, u32 param) dwc3_trace(trace_dwc3_gadget, "Command Complete --> %d", DWC3_DGCMD_STATUS(reg)); + if (DWC3_DGCMD_STATUS(reg)) + return -EINVAL; return 0; } -- 1.7.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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