fs/io_uring.c:7501:39: sparse: sparse: marked inline, but without a definition

From: kernel test robot
Date: Thu Apr 14 2022 - 13:08:05 EST


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@xxxxxxxxx/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@xxxxxxxxx>


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

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