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authorMarek Szyprowski <m.szyprowski@samsung.com>2017-02-21 14:21:01 +0100
committerSumit Semwal <sumit.semwal@linaro.org>2017-02-27 17:23:47 +0530
commit888022c0473d079bff9b47fb50434b1f20f8f37f (patch)
treeaa3be287c0eb00cf31b90fdc59328218ea669343
parent31788ca803a0c89078f9e604e64286fbd9077926 (diff)
dma-buf: add support for compat ioctl
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 K├Ânig <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
-rw-r--r--drivers/dma-buf/dma-buf.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 718f832a5c71..0007b792827b 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -325,6 +325,9 @@ 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
};
/*