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drm/vgem: add missing mutex_destroy
author
Maíra Canal
<mcanal@igalia.com>
Thu, 2 Feb 2023 12:55:17 +0000
(09:55 -0300)
committer
Greg Kroah-Hartman
<gregkh@linuxfoundation.org>
Thu, 11 May 2023 14:03:07 +0000
(23:03 +0900)
[ Upstream commit
7c18189b14b33c1fbf76480b1bd217877c086e67
]
vgem_fence_open() instantiates a mutex for a particular fence
instance, but never destroys it by calling mutex_destroy() in
vgem_fence_close().
So, add the missing mutex_destroy() to guarantee proper resource
destruction.
Fixes:
407779848445
("drm/vgem: Attach sw fences to exported vGEM dma-buf (ioctl)")
Signed-off-by: Maíra Canal <mcanal@igalia.com>
Reviewed-by: Stanislaw Gruszka <stanislaw.gruszka@linux.intel.com>
Signed-off-by: Maíra Canal <mairacanal@riseup.net>
Link:
https://patchwork.freedesktop.org/patch/msgid/20230202125517.427976-1-mcanal@igalia.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/gpu/drm/vgem/vgem_fence.c
patch
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diff --git
a/drivers/gpu/drm/vgem/vgem_fence.c
b/drivers/gpu/drm/vgem/vgem_fence.c
index
c2a8797
..
e157541
100644
(file)
--- a/
drivers/gpu/drm/vgem/vgem_fence.c
+++ b/
drivers/gpu/drm/vgem/vgem_fence.c
@@
-249,4
+249,5
@@
void vgem_fence_close(struct vgem_file *vfile)
{
idr_for_each(&vfile->fence_idr, __vgem_fence_idr_fini, vfile);
idr_destroy(&vfile->fence_idr);
+ mutex_destroy(&vfile->fence_mutex);
}