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Check whether attached buffer exists, before using it. 

Summary:
Because attached buffer can be NULL for removing surface content,
check of pending.buffer should be done before getting resource value of the buffer.

Reviewers: devilhorns

Subscribers: cedric

Differential Revision: https://phab.enlightenment.org/D1370
This commit is contained in:
MinJeong Kim 2014-08-27 08:24:26 -04:00 committed by Chris Michael
parent 25aabe7aa7
commit 73ce914020
1 changed files with 10 additions and 3 deletions
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13
src/bin/e_comp_wl.c
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@ -425,7 +425,11 @@ _e_comp_wl_subsurface_commit_from_cache(E_Client *ec)
{
e_comp_wl_buffer_reference(&cdata->buffer_ref,
sub_cdata->cached.buffer_ref.buffer);
e_pixmap_resource_set(cp, cdata->pending.buffer->resource);
if (cdata->pending.buffer)
e_pixmap_resource_set(cp,
cdata->pending.buffer->resource);
else
e_pixmap_resource_set(cp, NULL);
e_pixmap_usable_set(cp, (cdata->pending.buffer != NULL));
}
@ -554,8 +558,11 @@ _e_comp_wl_surface_commit(E_Client *ec)
{
e_comp_wl_buffer_reference(&ec->comp_data->buffer_ref,
ec->comp_data->pending.buffer);
e_pixmap_resource_set(cp, ec->comp_data->pending.buffer->resource);
if (ec->comp_data->pending.buffer)
e_pixmap_resource_set(cp,
ec->comp_data->pending.buffer->resource);
else
e_pixmap_resource_set(cp, NULL);
e_pixmap_usable_set(cp, (ec->comp_data->pending.buffer != NULL));
}