dma-buf: fix use of DMA_BUF_SET_NAME_{A,B} in userspace
authorJérôme Pouiller <jerome.pouiller@silabs.com>
Tue, 17 May 2022 07:27:08 +0000 (09:27 +0200)
committerChristian König <christian.koenig@amd.com>
Tue, 17 May 2022 11:05:19 +0000 (13:05 +0200)
commit7c3e9fcad9c7d8bb5d69a576044fb16b1d2e8a01
tree9bb88f97147e1c99816aaf2eb3648dd96108db59
parent370704e707a5f2d3c9a1d4ed8bd8cd67507d7bb5
dma-buf: fix use of DMA_BUF_SET_NAME_{A,B} in userspace

The typedefs u32 and u64 are not available in userspace. Thus user get
an error he try to use DMA_BUF_SET_NAME_A or DMA_BUF_SET_NAME_B:

    $ gcc -Wall   -c -MMD -c -o ioctls_list.o ioctls_list.c
    In file included from /usr/include/x86_64-linux-gnu/asm/ioctl.h:1,
                     from /usr/include/linux/ioctl.h:5,
                     from /usr/include/asm-generic/ioctls.h:5,
                     from ioctls_list.c:11:
    ioctls_list.c:463:29: error: ‘u32’ undeclared here (not in a function)
      463 |     { "DMA_BUF_SET_NAME_A", DMA_BUF_SET_NAME_A, -1, -1 }, // linux/dma-buf.h
          |                             ^~~~~~~~~~~~~~~~~~
    ioctls_list.c:464:29: error: ‘u64’ undeclared here (not in a function)
      464 |     { "DMA_BUF_SET_NAME_B", DMA_BUF_SET_NAME_B, -1, -1 }, // linux/dma-buf.h
          |                             ^~~~~~~~~~~~~~~~~~

The issue was initially reported here[1].

[1]: https://github.com/jerome-pouiller/ioctl/pull/14

Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Fixes: a5bff92eaac4 ("dma-buf: Fix SET_NAME ioctl uapi")
CC: stable@vger.kernel.org
Link: https://patchwork.freedesktop.org/patch/msgid/20220517072708.245265-1-Jerome.Pouiller@silabs.com
Signed-off-by: Christian König <christian.koenig@amd.com>
include/uapi/linux/dma-buf.h