diff options
author | Marek Szyprowski <m.szyprowski@samsung.com> | 2017-02-21 14:21:01 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-18 06:59:35 +0200 |
commit | 2ef9c8dd6ecd15dfa2e67a7a037bf47307c3e6bd (patch) | |
tree | 26990a7903a83e5ea93b04ab9cca0c01f46577a5 | |
parent | 10e13823b0a984d3184031e292d15a99cb4c0b81 (diff) |
dma-buf: add support for compat ioctl
commit 888022c0473d079bff9b47fb50434b1f20f8f37f upstream.
Add compat ioctl support to dma-buf. This lets one to use DMA_BUF_IOCTL_SYNC
ioctl from 32bit application on 64bit kernel. Data structures for both 32
and 64bit modes are same, so there is no need for additional translation
layer.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1487683261-2655-1-git-send-email-m.szyprowski@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/dma-buf/dma-buf.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index e72e64484131..686dc3e7eb0b 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -303,6 +303,9 @@ static const struct file_operations dma_buf_fops = { .llseek = dma_buf_llseek, .poll = dma_buf_poll, .unlocked_ioctl = dma_buf_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = dma_buf_ioctl, +#endif }; /* |