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Subject[axboe-block:for-5.19/io_uring-passthrough 90/91] drivers/nvme/host/multipath.c:440:27: error: initialization of 'int (*)(struct io_uring_cmd *, unsigned int)' from incompatible pointer type 'void (*)(struct io_uring_cmd *, unsigned int)'
tree:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-5.19/io_uring-passthrough
head: 5216380430fe99277e745867b6d9232e09dd1a21
commit: cedc754a8590e5531ec9e85a44e6fe1e296d10c4 [90/91] nvme: wire-up uring-cmd support for io-passthru on char-device.
config: i386-debian-10.3 (https://download.01.org/0day-ci/archive/20220506/202205060818.JVCJuprZ-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.2.0-20) 11.2.0
reproduce (this is a W=1 build):
# https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git/commit/?id=cedc754a8590e5531ec9e85a44e6fe1e296d10c4
git remote add axboe-block https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git
git fetch --no-tags axboe-block for-5.19/io_uring-passthrough
git checkout cedc754a8590e5531ec9e85a44e6fe1e296d10c4
# save the config file
mkdir build_dir && cp config build_dir/.config
make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/nvme/host/

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

All errors (new ones prefixed by >>):

>> drivers/nvme/host/multipath.c:440:27: error: initialization of 'int (*)(struct io_uring_cmd *, unsigned int)' from incompatible pointer type 'void (*)(struct io_uring_cmd *, unsigned int)' [-Werror=incompatible-pointer-types]
440 | .uring_cmd = nvme_ns_head_chr_uring_cmd,
| ^~~~~~~~~~~~~~~~~~~~~~~~~~
drivers/nvme/host/multipath.c:440:27: note: (near initialization for 'nvme_ns_head_chr_fops.uring_cmd')
cc1: some warnings being treated as errors


vim +440 drivers/nvme/host/multipath.c

433
434 static const struct file_operations nvme_ns_head_chr_fops = {
435 .owner = THIS_MODULE,
436 .open = nvme_ns_head_chr_open,
437 .release = nvme_ns_head_chr_release,
438 .unlocked_ioctl = nvme_ns_head_chr_ioctl,
439 .compat_ioctl = compat_ptr_ioctl,
> 440 .uring_cmd = nvme_ns_head_chr_uring_cmd,
441 };
442

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

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