Commit c3d79a83 authored Sep 22, 2019 by Qiang Yu Committed by Christian König Oct 10, 2019

dma-buf/resv: fix exclusive fence get



This causes kernel crash when testing lima driver.

Cc: Christian König <christian.koenig@amd.com>
Fixes: b8c036df ("dma-buf: simplify reservation_object_get_fences_rcu a bit")
Signed-off-by: Qiang Yu <yuq825@gmail.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: https://patchwork.freedesktop.org/patch/msgid/20190922074900.853-1-yuq825@gmail.com


Signed-off-by: Christian König <christian.koenig@amd.com>

parent 11bcf5f7

drivers/dma-buf/dma-resv.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -471,7 +471,7 @@ unlock:
		if (pfence_excl)
		*pfence_excl = fence_excl;
		else if (fence_excl)
		shared[++shared_count] = fence_excl;
		shared[shared_count++] = fence_excl;

		if (!shared_count) {
		kfree(shared);

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