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Commit 9b4632ef authored by Masahiro Yamada's avatar Masahiro Yamada Committed by Greg Kroah-Hartman
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usb: mtu3: cleanup with list_first_entry_or_null() 



The combo of list_empty() and list_first_entry() can be replaced with
list_first_entry_or_null().

Signed-off-by: default avatarMasahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4642d34a

drivers/usb/mtu3/mtu3.h

+2 −6
Original line number Diff line number Diff line
@@ -356,12 +356,8 @@ static inline struct mtu3_ep *to_mtu3_ep(struct usb_ep *ep) 


static inline struct mtu3_request *next_request(struct mtu3_ep *mep)

{

	struct list_head *queue = &mep->req_list;



	if (list_empty(queue))

		return NULL;



	return list_first_entry(queue, struct mtu3_request, list);

	return list_first_entry_or_null(&mep->req_list, struct mtu3_request,

					list);

}



static inline void mtu3_writel(void __iomem *base, u32 offset, u32 data)