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kmssink: Fix crash on NULL dmabuf allocator pointer

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Now that we are doing lazy allocation, we may endup calling _stop()
before the allocator was created. As a side effect, we need to nul-check
the pointer before calling it's method (_clear_cache()).

https://bugzilla.gnome.org/show_bug.cgi?id=787593
This commit is contained in:
Nicolas Dufresne 2017-10-06 15:07:58 -04:00
parent ff0ccc2a11
commit f272ddf9c7
1 changed files with 2 additions and 1 deletions
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3
sys/kms/gstkmssink.c
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@ -683,7 +683,8 @@ gst_kms_sink_stop (GstBaseSink * bsink)
self = GST_KMS_SINK (bsink);
gst_kms_allocator_clear_cache (self->allocator);
if (self->allocator)
gst_kms_allocator_clear_cache (self->allocator);
gst_buffer_replace (&self->last_buffer, NULL);
gst_caps_replace (&self->allowed_caps, NULL);