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usb: dwc3: 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>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Masahiro Yamada 2016-09-19 01:03:14 +09:00 committed by Felipe Balbi
parent ffc4b4067e
commit 785c91f8ae
1 changed files with 1 additions and 4 deletions
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5
drivers/usb/dwc3/gadget.h
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@ -62,10 +62,7 @@ struct dwc3;
static inline struct dwc3_request *next_request(struct list_head *list)
{
if (list_empty(list))
return NULL;
return list_first_entry(list, struct dwc3_request, list);
return list_first_entry_or_null(list, struct dwc3_request, list);
}
static inline void dwc3_gadget_move_started_request(struct dwc3_request *req)