| From 0234d40a1a0e45a5bb1ea38f8da6601517f2cb1d Mon Sep 17 00:00:00 2001 |
| From: Masahiro Yamada <yamada.masahiro@socionext.com> |
| Date: Mon, 19 Sep 2016 01:03:15 +0900 |
| Subject: [PATCH 109/299] usb: renesas_usbhs: cleanup with |
| list_first_entry_or_null() |
| |
| The combo of list_empty() check and return list_first_entry() |
| can be replaced with list_first_entry_or_null(). |
| |
| Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> |
| Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> |
| Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> |
| (cherry picked from commit 31faf878bd8c7e2c078a3b75f65efe64f23b0f18) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| --- |
| drivers/usb/renesas_usbhs/fifo.c | 5 +---- |
| 1 file changed, 1 insertion(+), 4 deletions(-) |
| |
| --- a/drivers/usb/renesas_usbhs/fifo.c |
| +++ b/drivers/usb/renesas_usbhs/fifo.c |
| @@ -100,10 +100,7 @@ static void __usbhsf_pkt_del(struct usbh |
| |
| static struct usbhs_pkt *__usbhsf_pkt_get(struct usbhs_pipe *pipe) |
| { |
| - if (list_empty(&pipe->list)) |
| - return NULL; |
| - |
| - return list_first_entry(&pipe->list, struct usbhs_pkt, node); |
| + return list_first_entry_or_null(&pipe->list, struct usbhs_pkt, node); |
| } |
| |
| static void usbhsf_fifo_clear(struct usbhs_pipe *pipe, |
