linux-kernel - linux-next: build warnings after merge of the block tree

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Date:   Tue, 3 Mar 2020 12:41:33 +1100
From:   Stephen Rothwell <sfr@...b.auug.org.au>
To:     Jens Axboe <axboe@...nel.dk>
Cc:     Linux Next Mailing List <linux-next@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: linux-next: build warnings after merge of the block tree

Hi all,

After merging the block tree, today's linux-next build (arm
multi_v7_defconfig) produced these warnings:

fs/io_uring.c: In function 'io_put_kbuf':
fs/io_uring.c:1651:27: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 1651 |  struct io_buffer *kbuf = (struct io_buffer *) req->rw.addr;
      |                           ^
fs/io_uring.c: In function 'io_rw_buffer_select':
fs/io_uring.c:2209:27: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 2209 |  struct io_buffer *kbuf = (struct io_buffer *) req->rw.addr;
      |                           ^
fs/io_uring.c:2216:17: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
 2216 |  req->rw.addr = (u64) kbuf;
      |                 ^
fs/io_uring.c: In function 'io_cleanup_req':
fs/io_uring.c:4897:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
 4897 |    kfree((void *)req->rw.addr);
      |          ^

Introduced by commits

  7efcbb97deab ("io_uring: support buffer selection for OP_READ and OP_RECV")
  8cab19f460b6 ("io_uring: add IOSQE_BUFFER_SELECT support for IORING_OP_READV")

-- 
Cheers,
Stephen Rothwell

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