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vulkan_decode: check if yuv_sampler exists before freeing it 

This prevents multiple NULL accesses - if yuv_sampler exists, then
everything required for it to be destroyed also exists.
This commit is contained in:
Lynne 2023-05-29 02:04:59 +02:00
parent 58f82fc26a
commit bae92361ed
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GPG Key ID: A2FEA5F03F034464
1 changed files with 3 additions and 2 deletions
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5
libavcodec/vulkan_decode.c
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@ -581,8 +581,9 @@ static void free_common(void *opaque, uint8_t *data)
ff_vk_video_common_uninit(s, &ctx->common);
vk->DestroySamplerYcbcrConversion(s->hwctx->act_dev, ctx->yuv_sampler,
s->hwctx->alloc);
if (ctx->yuv_sampler)
vk->DestroySamplerYcbcrConversion(s->hwctx->act_dev, ctx->yuv_sampler,
s->hwctx->alloc);
ff_vk_uninit(s);
}