dma-buf/resv: fix exclusive fence get
This causes kernel crash when testing lima driver.
Cc: Christian König <christian.koenig@amd.com>
Fixes: b8c036dfc6
("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>
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@ -471,7 +471,7 @@ unlock:
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if (pfence_excl)
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*pfence_excl = fence_excl;
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else if (fence_excl)
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shared[++shared_count] = fence_excl;
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shared[shared_count++] = fence_excl;
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if (!shared_count) {
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kfree(shared);
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