On 11/7/2016 11:06 AM, Nicholas Mc Guire wrote:
> The current code is effectively equivalent to list_first_entry_or_null()
> so simply switch and simplify the code.
>
> Fixes: 9c39ddc60ee9 ("USB: s3c-hsotg: Fix stall condition processing")
> Signed-off-by: Nicholas Mc Guire
> ---
> Found by simple coccinelle scanner
>
> Compile tested with: x86_64_defconfig + CONFIG_USB_DWC2=m,
> CONFIG_USB_DWC2_PERIPHERAL=y
>
> Patch is against 4.9.0-rc2 (localversion-next is next-20161028)
>
> drivers/usb/dwc2/gadget.c |6 ++
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
> index 24fbebc..9ac8ca0 100644
> --- a/drivers/usb/dwc2/gadget.c
> +++ b/drivers/usb/dwc2/gadget.c
> @@ -1099,10 +1099,8 @@ static int dwc2_hsotg_process_req_status(struct
> dwc2_hsotg *hsotg,
> */
> static struct dwc2_hsotg_req *get_ep_head(struct dwc2_hsotg_ep *hs_ep)
> {
> - if (list_empty(&hs_ep->queue))
> - return NULL;
> -
> - return list_first_entry(&hs_ep->queue, struct dwc2_hsotg_req, queue);
> + return list_first_entry_or_null(&hs_ep->queue,
> + struct dwc2_hsotg_req, queue);
> }
>
> /**
>
Hi,
The same is already queued in Felipe's testing/next.
Regards,
John
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