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| author | Masahiro Yamada <yamada.masahiro@socionext.com> | 2016-09-19 01:03:13 +0900 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-11-03 10:38:36 +0200 |
| commit | ffc4b4067e1bb639834a716b4148efce736b2ba6 (patch) | |
| tree | 717237ec1c4338185ddfecd0e7c5f00e21f8d164 /drivers/usb/dwc2/gadget.c | |
| parent | 3f5ad8640cd1b5e95a26d9ec500435bd1ce57d72 (diff) | |
| download | lwn-ffc4b4067e1bb639834a716b4148efce736b2ba6.tar.gz lwn-ffc4b4067e1bb639834a716b4148efce736b2ba6.zip | |
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.c | 6 |
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); } /** |