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dmabuf: Don't crash clients by sending version inappropriate events

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We need to make sure the client bound dmabuf with a high enough
version to receive modifier events before sending them or the
client will crash.

Signed-off-by: Derek Foreman <derekf@osg.samsung.com>
Reviewed-by: Daniel Stone <daniels@collabora.com>
This commit is contained in:
Derek Foreman 2017-06-26 15:55:44 -05:00 committed by Daniel Stone
parent cd052a6214
commit bbc206e948
1 changed files with 2 additions and 0 deletions
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2
libweston/linux-dmabuf.c
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@ -483,6 +483,8 @@ bind_linux_dmabuf(struct wl_client *client,
wl_resource_set_implementation(resource, &linux_dmabuf_implementation,
compositor, NULL);
if (version < ZWP_LINUX_DMABUF_V1_MODIFIER_SINCE_VERSION)
return;
/*
* Use EGL_EXT_image_dma_buf_import_modifiers to query and advertise
* format/modifier codes.