From: Maíra Canal mcanal@igalia.com
[ 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... Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/vgem/vgem_fence.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/vgem/vgem_fence.c b/drivers/gpu/drm/vgem/vgem_fence.c index c2a879734d407..e157541783959 100644 --- 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); }