shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-10 04:48:04 +09:00
Code Issues Packages Projects Releases Wiki Activity

UPSTREAM: usb: dwc2: cleanup with list_first_entry_or_null()

Browse Source 
The combo of list_empty() check and return list_first_entry()
can be replaced with list_first_entry_or_null().

Change-Id: I562e6b5a1961c7003b2016c35b32fd56e1d36240
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>
Signed-off-by: William Wu <william.wu@rock-chips.com>
(cherry picked from commit ffc4b4067e)
This commit is contained in:
Masahiro Yamada
2016-09-19 01:03:13 +09:00
committed by Tao Huang
parent c9def7c856
commit ccc85416af
1 changed files with 2 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/usb/dwc2/gadget.c
View File

@@ -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);
}
/**