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udmabuf: actually unmap the scatterlist
authorLucas Stach <l.stach@pengutronix.de>
Tue, 4 Jun 2019 20:23:31 +0000 (22:23 +0200)
committerGerd Hoffmann <kraxel@redhat.com>
Wed, 5 Jun 2019 08:41:17 +0000 (10:41 +0200)
commit283f1e383e91d96fe652fad549537ae15cf31d60
tree8e4d1f68acea5d2dc87c09ec573e3b987d73b03f
parent89a4aac0ab0e6f5eea10d7bf4869dd15c3de2cd4
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>
drivers/dma-buf/udmabuf.c