3.14-stable review patch. If anyone has any objections, please let me know.
------------------
From: Subbaraya Sundeep Bhatta <subbaraya.sundeep.bhatta@xxxxxxxxxx>
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@xxxxxxxxxx>
Fixes: b09bb64239c8 (usb: dwc3: gadget: implement Global Command support)
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/usb/dwc3/gadget.c | 2 ++
1 file changed, 2 insertions(+)
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -299,6 +299,8 @@ int dwc3_send_gadget_generic_command(str
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;
}
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