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Message-ID: <1432203408-5482-3-git-send-email-sbhatta@xilinx.com>
Date: Thu, 21 May 2015 15:46:48 +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 3/3] usb: dwc3: gadget: return error if command sent to DEPCMD 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: 72246da40f37 (usb: Introduce DesignWare USB3 DRD Driver)
Cc: <stable@...r.kernel.org>
---
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 fcbe120..55b5edc 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -330,6 +330,8 @@ int dwc3_send_gadget_ep_cmd(struct dwc3 *dwc, unsigned ep,
dwc3_trace(trace_dwc3_gadget,
"Command Complete --> %d",
DWC3_DEPCMD_STATUS(reg));
+ if (DWC3_DEPCMD_STATUS(reg))
+ return -EINVAL;
return 0;
}
--
1.7.4
--
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