[balbi-usb:testing/next 29/34] drivers/usb/dwc3/gadget.c:1934:2: note: in expansion of macro 'list_for_each_entry_safe'

[balbi-usb:testing/next 29/34] drivers/usb/dwc3/gadget.c:1934:2: note: in expansion of macro 'list_for_each_entry_safe'

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git testing/next
head:   d2382d0a64910749af50c8c3d46b96a64c85a9c5
commit: 3e37d7b8ce45e9503d9a189a087b7431a963344d [29/34] usb: dwc3: gadget: avoid while (1) loop on completion
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 4.9.0
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 3e37d7b8ce45e9503d9a189a087b7431a963344d
        # save the attached .config to linux build tree
        make.cross ARCH=xtensa 

All error/warnings (new ones prefixed by >>):

   In file included from include/linux/preempt.h:10:0,
                    from include/linux/spinlock.h:50,
                    from include/linux/mmzone.h:7,
                    from include/linux/gfp.h:5,
                    from include/linux/slab.h:14,
                    from drivers/usb/dwc3/gadget.c:21:
   drivers/usb/dwc3/gadget.c: In function 'dwc3_cleanup_done_reqs':
>> include/linux/list.h:522:5: error: expected expression before '=' token
      n = list_next_entry(pos, member);   \
        ^
>> drivers/usb/dwc3/gadget.c:1934:2: note: in expansion of macro 'list_for_each_entry_safe'
     list_for_each_entry_safe(req, , &dep->started_list, list) {
     ^
   In file included from drivers/usb/dwc3/gadget.c:19:0:
>> include/linux/kernel.h:832:20: error: '__mptr' undeclared (first use in this function)
     (type *)( (char *)__mptr - offsetof(type,member) );})
                       ^
   include/linux/list.h:352:2: note: in expansion of macro 'container_of'
     container_of(ptr, type, member)
     ^
   include/linux/list.h:393:2: note: in expansion of macro 'list_entry'
     list_entry((pos)->member.next, typeof(*(pos)), member)
     ^
   include/linux/list.h:522:7: note: in expansion of macro 'list_next_entry'
      n = list_next_entry(pos, member);   \
          ^
>> drivers/usb/dwc3/gadget.c:1934:2: note: in expansion of macro 'list_for_each_entry_safe'
     list_for_each_entry_safe(req, , &dep->started_list, list) {
     ^
   include/linux/kernel.h:832:20: note: each undeclared identifier is reported only once for each function it appears in
     (type *)( (char *)__mptr - offsetof(type,member) );})
                       ^
   include/linux/list.h:352:2: note: in expansion of macro 'container_of'
     container_of(ptr, type, member)
     ^
   include/linux/list.h:393:2: note: in expansion of macro 'list_entry'
     list_entry((pos)->member.next, typeof(*(pos)), member)
     ^
   include/linux/list.h:522:7: note: in expansion of macro 'list_next_entry'
      n = list_next_entry(pos, member);   \
          ^
>> drivers/usb/dwc3/gadget.c:1934:2: note: in expansion of macro 'list_for_each_entry_safe'
     list_for_each_entry_safe(req, , &dep->started_list, list) {
     ^
   In file included from include/linux/preempt.h:10:0,
                    from include/linux/spinlock.h:50,
                    from include/linux/mmzone.h:7,
                    from include/linux/gfp.h:5,
                    from include/linux/slab.h:14,
                    from drivers/usb/dwc3/gadget.c:21:
   include/linux/list.h:524:14: error: expected expression before ',' token
          pos = n, n = list_next_entry(n, member))
                 ^
>> drivers/usb/dwc3/gadget.c:1934:2: note: in expansion of macro 'list_for_each_entry_safe'
     list_for_each_entry_safe(req, , &dep->started_list, list) {
     ^
   In file included from drivers/usb/dwc3/gadget.c:19:0:
>> include/linux/list.h:393:45: error: expected expression before ')' token
     list_entry((pos)->member.next, typeof(*(pos)), member)
                                                ^
   include/linux/kernel.h:832:3: note: in definition of macro 'container_of'
     (type *)( (char *)__mptr - offsetof(type,member) );})
      ^
   include/linux/list.h:393:2: note: in expansion of macro 'list_entry'
     list_entry((pos)->member.next, typeof(*(pos)), member)
     ^
   include/linux/list.h:524:20: note: in expansion of macro 'list_next_entry'
          pos = n, n = list_next_entry(n, member))
                       ^
>> drivers/usb/dwc3/gadget.c:1934:2: note: in expansion of macro 'list_for_each_entry_safe'
     list_for_each_entry_safe(req, , &dep->started_list, list) {
     ^
   In file included from include/linux/preempt.h:10:0,
                    from include/linux/spinlock.h:50,
                    from include/linux/mmzone.h:7,
                    from include/linux/gfp.h:5,
                    from include/linux/slab.h:14,
                    from drivers/usb/dwc3/gadget.c:21:
   include/linux/list.h:524:14: warning: left-hand operand of comma expression has no effect [-Wunused-value]
          pos = n, n = list_next_entry(n, member))
                 ^
>> drivers/usb/dwc3/gadget.c:1934:2: note: in expansion of macro 'list_for_each_entry_safe'
     list_for_each_entry_safe(req, , &dep->started_list, list) {
     ^
>> drivers/usb/dwc3/gadget.c:1929:29: warning: unused variable 'n' [-Wunused-variable]
     struct dwc3_request *req, *n;
                                ^

vim +/list_for_each_entry_safe +1934 drivers/usb/dwc3/gadget.c

  1923		return 0;
  1924	}
  1925	
  1926	static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep,
  1927			const struct dwc3_event_depevt *event, int status)
  1928	{
> 1929		struct dwc3_request	*req, *n;
  1930		struct dwc3_trb		*trb;
  1931		int			count = 0;
  1932		int			ret;
  1933	
> 1934		list_for_each_entry_safe(req, , &dep->started_list, list) {
  1935	
  1936			int chain;
  1937	

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