qxl_dev: Add comment to QXLQUICData->data field

Recently a bug using this structure was fixed.
The bug involved understand the usage of this field so add some
note on the field for future reference.

Signed-off-by: Frediano Ziglio <fziglio@redhat.com>
Acked-by: Victor Toso <victortoso@redhat.com>
This commit is contained in:
Frediano Ziglio 2019-08-13 10:50:08 +01:00
parent 22f1b1297b
commit 7d28c75ba6

View File

@ -740,6 +740,9 @@ typedef struct SPICE_ATTR_PACKED QXLSurfaceId {
typedef struct SPICE_ATTR_PACKED QXLQUICData {
uint32_t data_size;
/* This data for QUIC is a QXLDataChunk.
* This differs from QXLBitmap where it's a reference to bitmap data or
* a reference to QXLDataChunk */
uint8_t data[0];
} QXLQUICData, QXLLZRGBData, QXLJPEGData;