tree 9c6aa1c57493a48b4c32a253e6c497dc50b546a6
parent 785c91f8ae4d65efbe4d3366e30bb9bbe84b5f43
author Masahiro Yamada <yamada.masahiro@socionext.com> 1474214595 +0900
committer Felipe Balbi <felipe.balbi@linux.intel.com> 1478162317 +0200

usb: renesas_usbhs: 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().

Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>