[axboe-block:for-5.18/io_uring 19/25] fs/io_uring.c:4338:42-56: duplicated argument to && or || (fwd)

[Julia Lawall]

sqe->buf_index appears twice.

---------- Forwarded message ----------
Date: Sat, 12 Mar 2022 03:22:42 +0800
From: kernel test robot <lkp@xxxxxxxxx>
To: kbuild@xxxxxxxxxxxx
Cc: lkp@xxxxxxxxx, Julia Lawall <julia.lawall@xxxxxxx>
Subject: [axboe-block:for-5.18/io_uring 19/25] fs/io_uring.c:4338:42-56:
    duplicated argument to && or ||

CC: kbuild-all@xxxxxxxxxxxx
BCC: lkp@xxxxxxxxx
CC: linux-kernel@xxxxxxxxxxxxxxx
TO: Jens Axboe <axboe@xxxxxxxxx>

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux-block.git for-5.18/io_uring
head:   bcbb7bf6ccde7cb969a5642879832bc84ebf06a3
commit: 4f57f06ce2186c31c3da52386125dc57b1cd6f96 [19/25] io_uring: add support for IORING_OP_MSG_RING command
:::::: branch date: 23 hours ago
:::::: commit date: 27 hours ago
config: csky-randconfig-c004-20220310 (https://download.01.org/0day-ci/archive/20220312/202203120306.eNEnYxKX-lkp@xxxxxxxxx/config)
compiler: csky-linux-gcc (GCC) 11.2.0

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Reported-by: Julia Lawall <julia.lawall@xxxxxxx>


cocci warnings: (new ones prefixed by >>)
>> fs/io_uring.c:4338:42-56: duplicated argument to && or ||

vim +4338 fs/io_uring.c

2b188cc1bb857a Jens Axboe 2019-01-07  4334
4f57f06ce2186c Jens Axboe 2022-03-10  4335  static int io_msg_ring_prep(struct io_kiocb *req,
4f57f06ce2186c Jens Axboe 2022-03-10  4336  			    const struct io_uring_sqe *sqe)
4f57f06ce2186c Jens Axboe 2022-03-10  4337  {
4f57f06ce2186c Jens Axboe 2022-03-10 @4338  	if (unlikely(sqe->addr || sqe->ioprio || sqe->buf_index ||
4f57f06ce2186c Jens Axboe 2022-03-10  4339  		     sqe->rw_flags || sqe->splice_fd_in || sqe->buf_index ||
4f57f06ce2186c Jens Axboe 2022-03-10  4340  		     sqe->personality))
4f57f06ce2186c Jens Axboe 2022-03-10  4341  		return -EINVAL;
4f57f06ce2186c Jens Axboe 2022-03-10  4342
4f57f06ce2186c Jens Axboe 2022-03-10  4343  	if (req->file->f_op != &io_uring_fops)
4f57f06ce2186c Jens Axboe 2022-03-10  4344  		return -EBADFD;
4f57f06ce2186c Jens Axboe 2022-03-10  4345
4f57f06ce2186c Jens Axboe 2022-03-10  4346  	req->msg.user_data = READ_ONCE(sqe->off);
4f57f06ce2186c Jens Axboe 2022-03-10  4347  	req->msg.len = READ_ONCE(sqe->len);
4f57f06ce2186c Jens Axboe 2022-03-10  4348  	return 0;
4f57f06ce2186c Jens Axboe 2022-03-10  4349  }
4f57f06ce2186c Jens Axboe 2022-03-10  4350

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