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Date:   Fri, 15 Apr 2022 00:55:15 +0800
From:   kernel test robot <lkp@...el.com>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: fs/io_uring.c:7501:39: sparse: sparse: marked inline, but without a
 definition

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a19944809fe9942e6a96292490717904d0690c21
commit: 5106dd6e74ab6c94daac1c357094f11e6934b36f io_uring: propagate issue_flags state down to file assignment
date:   7 days ago
config: arm-randconfig-s031-20220414 (https://download.01.org/0day-ci/archive/20220415/202204150040.wXruLrfu-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 11.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # apt-get install sparse
        # sparse version: v0.6.4-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=5106dd6e74ab6c94daac1c357094f11e6934b36f
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 5106dd6e74ab6c94daac1c357094f11e6934b36f
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>


sparse warnings: (new ones prefixed by >>)
   fs/io_uring.c: note: in included file (through include/trace/trace_events.h, include/trace/define_trace.h, include/trace/events/io_uring.h):
   include/trace/events/io_uring.h:488:1: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] op_flags @@     got restricted __kernel_rwf_t const [usertype] rw_flags @@
   include/trace/events/io_uring.h:488:1: sparse:     expected unsigned int [usertype] op_flags
   include/trace/events/io_uring.h:488:1: sparse:     got restricted __kernel_rwf_t const [usertype] rw_flags
   fs/io_uring.c: note: in included file (through include/trace/perf.h, include/trace/define_trace.h, include/trace/events/io_uring.h):
   include/trace/events/io_uring.h:488:1: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] op_flags @@     got restricted __kernel_rwf_t const [usertype] rw_flags @@
   include/trace/events/io_uring.h:488:1: sparse:     expected unsigned int [usertype] op_flags
   include/trace/events/io_uring.h:488:1: sparse:     got restricted __kernel_rwf_t const [usertype] rw_flags
   fs/io_uring.c:3210:23: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] flags @@     got restricted __kernel_rwf_t @@
   fs/io_uring.c:3210:23: sparse:     expected unsigned int [usertype] flags
   fs/io_uring.c:3210:23: sparse:     got restricted __kernel_rwf_t
   fs/io_uring.c:3429:24: sparse: sparse: incorrect type in return expression (different address spaces) @@     expected void [noderef] __user * @@     got struct io_buffer *[assigned] kbuf @@
   fs/io_uring.c:3429:24: sparse:     expected void [noderef] __user *
   fs/io_uring.c:3429:24: sparse:     got struct io_buffer *[assigned] kbuf
   fs/io_uring.c:3816:48: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected restricted __kernel_rwf_t [usertype] flags @@     got unsigned int [usertype] flags @@
   fs/io_uring.c:3816:48: sparse:     expected restricted __kernel_rwf_t [usertype] flags
   fs/io_uring.c:3816:48: sparse:     got unsigned int [usertype] flags
   fs/io_uring.c:5141:14: sparse: sparse: incorrect type in assignment (different address spaces) @@     expected struct file *file @@     got struct file [noderef] __rcu * @@
   fs/io_uring.c:5141:14: sparse:     expected struct file *file
   fs/io_uring.c:5141:14: sparse:     got struct file [noderef] __rcu *
   fs/io_uring.c:6009:68: sparse: sparse: incorrect type in initializer (different base types) @@     expected restricted __poll_t [usertype] _key @@     got unsigned int [usertype] cflags @@
   fs/io_uring.c:6009:68: sparse:     expected restricted __poll_t [usertype] _key
   fs/io_uring.c:6009:68: sparse:     got unsigned int [usertype] cflags
   fs/io_uring.c:6011:47: sparse: sparse: restricted __poll_t degrades to integer
   fs/io_uring.c:6015:52: sparse: sparse: restricted __poll_t degrades to integer
   fs/io_uring.c:6016:71: sparse: sparse: restricted __poll_t degrades to integer
   fs/io_uring.c:6016:65: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __poll_t [usertype] val @@     got unsigned int @@
   fs/io_uring.c:6016:65: sparse:     expected restricted __poll_t [usertype] val
   fs/io_uring.c:6016:65: sparse:     got unsigned int
   fs/io_uring.c:6016:52: sparse: sparse: incorrect type in initializer (different base types) @@     expected restricted __poll_t [usertype] mask @@     got unsigned short @@
   fs/io_uring.c:6016:52: sparse:     expected restricted __poll_t [usertype] mask
   fs/io_uring.c:6016:52: sparse:     got unsigned short
   fs/io_uring.c:6020:71: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected signed int [usertype] res @@     got restricted __poll_t [usertype] mask @@
   fs/io_uring.c:6020:71: sparse:     expected signed int [usertype] res
   fs/io_uring.c:6020:71: sparse:     got restricted __poll_t [usertype] mask
   fs/io_uring.c:6051:66: sparse: sparse: restricted __poll_t degrades to integer
   fs/io_uring.c:6051:55: sparse: sparse: incorrect type in argument 1 (different base types) @@     expected restricted __poll_t [usertype] val @@     got unsigned int @@
   fs/io_uring.c:6051:55: sparse:     expected restricted __poll_t [usertype] val
   fs/io_uring.c:6051:55: sparse:     got unsigned int
   fs/io_uring.c:6132:45: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected int events @@     got restricted __poll_t [usertype] events @@
   fs/io_uring.c:6132:45: sparse:     expected int events
   fs/io_uring.c:6132:45: sparse:     got restricted __poll_t [usertype] events
   fs/io_uring.c:6167:40: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected int mask @@     got restricted __poll_t [usertype] mask @@
   fs/io_uring.c:6167:40: sparse:     expected int mask
   fs/io_uring.c:6167:40: sparse:     got restricted __poll_t [usertype] mask
   fs/io_uring.c:6167:50: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected int events @@     got restricted __poll_t [usertype] events @@
   fs/io_uring.c:6167:50: sparse:     expected int events
   fs/io_uring.c:6167:50: sparse:     got restricted __poll_t [usertype] events
   fs/io_uring.c:6258:24: sparse: sparse: incorrect type in return expression (different base types) @@     expected int @@     got restricted __poll_t [assigned] [usertype] mask @@
   fs/io_uring.c:6258:24: sparse:     expected int
   fs/io_uring.c:6258:24: sparse:     got restricted __poll_t [assigned] [usertype] mask
   fs/io_uring.c:6275:40: sparse: sparse: incorrect type in argument 2 (different base types) @@     expected int mask @@     got restricted __poll_t [assigned] [usertype] mask @@
   fs/io_uring.c:6275:40: sparse:     expected int mask
   fs/io_uring.c:6275:40: sparse:     got restricted __poll_t [assigned] [usertype] mask
   fs/io_uring.c:6275:50: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected int events @@     got restricted __poll_t [usertype] events @@
   fs/io_uring.c:6275:50: sparse:     expected int events
   fs/io_uring.c:6275:50: sparse:     got restricted __poll_t [usertype] events
   fs/io_uring.c:6286:47: sparse: sparse: incorrect type in argument 3 (different base types) @@     expected int events @@     got restricted __poll_t [usertype] events @@
   fs/io_uring.c:6286:47: sparse:     expected int events
   fs/io_uring.c:6286:47: sparse:     got restricted __poll_t [usertype] events
   fs/io_uring.c:6311:25: sparse: sparse: restricted __poll_t degrades to integer
   fs/io_uring.c:6311:48: sparse: sparse: incorrect type in initializer (different base types) @@     expected restricted __poll_t [usertype] mask @@     got unsigned int @@
   fs/io_uring.c:6311:48: sparse:     expected restricted __poll_t [usertype] mask
   fs/io_uring.c:6311:48: sparse:     got unsigned int
   fs/io_uring.c:6320:22: sparse: sparse: invalid assignment: |=
   fs/io_uring.c:6320:22: sparse:    left side has type restricted __poll_t
   fs/io_uring.c:6320:22: sparse:    right side has type int
   fs/io_uring.c:6325:30: sparse: sparse: invalid assignment: &=
   fs/io_uring.c:6325:30: sparse:    left side has type restricted __poll_t
   fs/io_uring.c:6325:30: sparse:    right side has type int
   fs/io_uring.c:6327:22: sparse: sparse: invalid assignment: |=
   fs/io_uring.c:6327:22: sparse:    left side has type restricted __poll_t
   fs/io_uring.c:6327:22: sparse:    right side has type int
   fs/io_uring.c:6353:33: sparse: sparse: incorrect type in argument 5 (different base types) @@     expected int mask @@     got restricted __poll_t [assigned] [usertype] mask @@
   fs/io_uring.c:6353:33: sparse:     expected int mask
   fs/io_uring.c:6353:33: sparse:     got restricted __poll_t [assigned] [usertype] mask
   fs/io_uring.c:6353:50: sparse: sparse: incorrect type in argument 6 (different base types) @@     expected int events @@     got restricted __poll_t [usertype] events @@
   fs/io_uring.c:6353:50: sparse:     expected int events
   fs/io_uring.c:6353:50: sparse:     got restricted __poll_t [usertype] events
   fs/io_uring.c:6435:24: sparse: sparse: invalid assignment: |=
   fs/io_uring.c:6435:24: sparse:    left side has type unsigned int
   fs/io_uring.c:6435:24: sparse:    right side has type restricted __poll_t
   fs/io_uring.c:6436:65: sparse: sparse: restricted __poll_t degrades to integer
   fs/io_uring.c:6436:29: sparse: sparse: restricted __poll_t degrades to integer
   fs/io_uring.c:6436:38: sparse: sparse: incorrect type in return expression (different base types) @@     expected restricted __poll_t @@     got unsigned int @@
   fs/io_uring.c:6436:38: sparse:     expected restricted __poll_t
   fs/io_uring.c:6436:38: sparse:     got unsigned int
   fs/io_uring.c:6488:21: sparse: sparse: incorrect type in assignment (different base types) @@     expected unsigned int [usertype] cflags @@     got restricted __poll_t [usertype] events @@
   fs/io_uring.c:6488:21: sparse:     expected unsigned int [usertype] cflags
   fs/io_uring.c:6488:21: sparse:     got restricted __poll_t [usertype] events
   fs/io_uring.c:6526:43: sparse: sparse: invalid assignment: &=
   fs/io_uring.c:6526:43: sparse:    left side has type restricted __poll_t
   fs/io_uring.c:6526:43: sparse:    right side has type int
   fs/io_uring.c:6527:62: sparse: sparse: restricted __poll_t degrades to integer
   fs/io_uring.c:6527:43: sparse: sparse: invalid assignment: |=
   fs/io_uring.c:6527:43: sparse:    left side has type restricted __poll_t
   fs/io_uring.c:6527:43: sparse:    right side has type unsigned int
   fs/io_uring.c:2463:17: sparse: sparse: context imbalance in 'handle_prev_tw_list' - different lock contexts for basic block
>> fs/io_uring.c:7501:39: sparse: sparse: marked inline, but without a definition
>> fs/io_uring.c:7501:39: sparse: sparse: marked inline, but without a definition

vim +7501 fs/io_uring.c

  7500	
> 7501	static struct file *io_file_get_normal(struct io_kiocb *req, int fd)
  7502	{
  7503		struct file *file = fget(fd);
  7504	
  7505		trace_io_uring_file_get(req->ctx, req, req->user_data, fd);
  7506	
  7507		/* we don't allow fixed io_uring files */
  7508		if (file && unlikely(file->f_op == &io_uring_fops))
  7509			io_req_track_inflight(req);
  7510		return file;
  7511	}
  7512	

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp

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