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| author | Lucas Stach <l.stach@pengutronix.de> | 2019-06-04 23:23:31 +0300 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2019-06-05 11:41:17 +0300 |
| commit | 283f1e383e91d96fe652fad549537ae15cf31d60 (patch) | |
| tree | 8e4d1f68acea5d2dc87c09ec573e3b987d73b03f /drivers/dma-buf/udmabuf.c | |
| parent | 89a4aac0ab0e6f5eea10d7bf4869dd15c3de2cd4 (diff) | |
| download | linux-283f1e383e91d96fe652fad549537ae15cf31d60.tar.xz | |
udmabuf: actually unmap the scatterlist
unmap_udmabuf fails to actually unmap the scatterlist, leaving dangling
mappings around.
Fixes: fbb0de795078 ("Add udmabuf misc device")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Link: http://patchwork.freedesktop.org/patch/msgid/20190604202331.17482-1-l.stach@pengutronix.de
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'drivers/dma-buf/udmabuf.c')
| -rw-r--r-- | drivers/dma-buf/udmabuf.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c index cd57747286f2..9635897458a0 100644 --- a/drivers/dma-buf/udmabuf.c +++ b/drivers/dma-buf/udmabuf.c @@ -77,6 +77,7 @@ static void unmap_udmabuf(struct dma_buf_attachment *at, struct sg_table *sg, enum dma_data_direction direction) { + dma_unmap_sg(at->dev, sg->sgl, sg->nents, direction); sg_free_table(sg); kfree(sg); } |