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screen-cast/src: Always first set spa buffer data to NULL

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We use that elsewhere for sanity checking, and it's not initialized to
anything, so might be pointing to invalid memory if buffer allocation
failed.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1697>
This commit is contained in:
Jonas Ådahl 2021-02-01 18:32:33 +01:00 committed by Marge Bot
parent 08ad107df5
commit ca95ccdef0
1 changed files with 1 additions and 1 deletions
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2
src/backends/meta-screen-cast-stream-src.c
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@ -745,6 +745,7 @@ on_stream_add_buffer (void *data,
spa_data[0].mapoffset = 0; spa_data[0].mapoffset = 0;
spa_data[0].maxsize = stride * priv->video_format.size.height; spa_data[0].maxsize = stride * priv->video_format.size.height;
spa_data[0].data = NULL;
dmabuf_handle = dmabuf_handle =
meta_screen_cast_create_dma_buf_handle (screen_cast, meta_screen_cast_create_dma_buf_handle (screen_cast,
@ -756,7 +757,6 @@ on_stream_add_buffer (void *data,
spa_data[0].type = SPA_DATA_DmaBuf; spa_data[0].type = SPA_DATA_DmaBuf;
spa_data[0].flags = SPA_DATA_FLAG_READWRITE; spa_data[0].flags = SPA_DATA_FLAG_READWRITE;
spa_data[0].fd = cogl_dma_buf_handle_get_fd (dmabuf_handle); spa_data[0].fd = cogl_dma_buf_handle_get_fd (dmabuf_handle);
spa_data[0].data = NULL;
g_hash_table_insert (priv->dmabuf_handles, g_hash_table_insert (priv->dmabuf_handles,
GINT_TO_POINTER (spa_data[0].fd), GINT_TO_POINTER (spa_data[0].fd),