dma-buf/sync-file: fix logic error in new fence merge code
When the array is empty because everything is signaled we can't use add_fence() to add something because that would filter the signaled fence again. Signed-off-by: Christian König <christian.koenig@amd.com> Fixes: 519f490db07e ("dma-buf/sync-file: fix warning about fence containers") Reviewed-by: Thomas Hellström <thomas.hellstrom@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/20220329070001.134180-1-christian.koenig@amd.com
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@ -262,7 +262,7 @@ static struct sync_file *sync_file_merge(const char *name, struct sync_file *a,
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}
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if (index == 0)
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add_fence(fences, &index, dma_fence_get_stub());
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fences[index++] = dma_fence_get_stub();
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if (num_fences > index) {
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struct dma_fence **tmp;
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