[PATCH spice 2/3] reds: Constantify agent message parameter

[Pavel Grunt <pgrunt@xxxxxxxxxx>]

Make clear that the function is not changing it
---
 server/reds.c | 5 +++--
 server/reds.h | 3 ++-
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/server/reds.c b/server/reds.c
index 35d430494..8abeb3fbd 100644
--- a/server/reds.c
+++ b/server/reds.c
@@ -1087,7 +1087,7 @@ static void reds_client_monitors_config_cleanup(RedsState *reds)
     cmc->buffer = NULL;
 }
 
-static void reds_on_main_agent_monitors_config(RedsState *reds, void *message, size_t size)
+static void reds_on_main_agent_monitors_config(RedsState *reds, const void *message, size_t size)
 {
     VDAgentMessage *msg_header;
     VDAgentMonitorsConfig *monitors_config;
@@ -1110,7 +1110,8 @@ static void reds_on_main_agent_monitors_config(RedsState *reds, void *message, s
     reds_client_monitors_config_cleanup(reds);
 }
 
-void reds_on_main_agent_data(RedsState *reds, MainChannelClient *mcc, void *message, size_t size)
+void reds_on_main_agent_data(RedsState *reds, MainChannelClient *mcc, const void *message,
+                             size_t size)
 {
     RedCharDeviceVDIPort *dev = reds->agent_dev;
     VDIChunkHeader *header;
diff --git a/server/reds.h b/server/reds.h
index e5f70d571..bbd33b098 100644
--- a/server/reds.h
+++ b/server/reds.h
@@ -79,7 +79,8 @@ void reds_on_main_agent_start(RedsState *reds, MainChannelClient *mcc, uint32_t
 void reds_on_main_agent_tokens(RedsState *reds, MainChannelClient *mcc, uint32_t num_tokens);
 uint8_t *reds_get_agent_data_buffer(RedsState *reds, MainChannelClient *mcc, size_t size);
 void reds_release_agent_data_buffer(RedsState *reds, uint8_t *buf);
-void reds_on_main_agent_data(RedsState *reds, MainChannelClient *mcc, void *message, size_t size);
+void reds_on_main_agent_data(RedsState *reds, MainChannelClient *mcc, const void *message,
+                             size_t size);
 void reds_on_main_migrate_connected(RedsState *reds, int seamless); //should be called when all the clients
                                                    // are connected to the target
 bool reds_handle_migrate_data(RedsState *recs, MainChannelClient *mcc,
-- 
2.13.0

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