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authorMasahiro Yamada <yamada.masahiro@socionext.com>2016-09-19 01:03:13 +0900
committerFelipe Balbi <felipe.balbi@linux.intel.com>2016-11-03 10:38:36 +0200
commitffc4b4067e1bb639834a716b4148efce736b2ba6 (patch)
tree717237ec1c4338185ddfecd0e7c5f00e21f8d164 /drivers/usb/dwc2/gadget.c
parent3f5ad8640cd1b5e95a26d9ec500435bd1ce57d72 (diff)
usb: dwc2: 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(). Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: John Youn <johnyoun@synopsys.com> Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc2/gadget.c')
-rw-r--r--drivers/usb/dwc2/gadget.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 24fbebc9b409..9dc6c482b89e 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -1099,10 +1099,8 @@ static int dwc2_hsotg_ep_sethalt(struct usb_ep *ep, int value, bool now);
*/
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);
}
/**