[PATCH v2 10/15] ASoC: Intel: avs: Do not reuse msg between different IPC handlers

Cezary Rojewski cezary.rojewski at intel.com
Mon Oct 10 14:19:50 CEST 2022


While LOG_BUFFER_STATUS is a simple notification with only one
meaningful field, same message ptr shall not be reused for two different
handlers.

Signed-off-by: Cezary Rojewski <cezary.rojewski at intel.com>
---
 sound/soc/intel/avs/apl.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/sound/soc/intel/avs/apl.c b/sound/soc/intel/avs/apl.c
index b8e2b23c9f64..7c8ce98eda9d 100644
--- a/sound/soc/intel/avs/apl.c
+++ b/sound/soc/intel/avs/apl.c
@@ -133,12 +133,14 @@ static int apl_coredump(struct avs_dev *adev, union avs_notify_msg *msg)
 	buf = apl_log_payload_addr(addr);
 	memcpy_fromio(&layout, addr, sizeof(layout));
 	if (!apl_is_entry_stackdump(buf + layout.read_ptr)) {
+		union avs_notify_msg lbs_msg = AVS_NOTIFICATION(LOG_BUFFER_STATUS);
+
 		/*
 		 * DSP awaits the remaining logs to be
 		 * gathered before dumping stack
 		 */
-		msg->log.core = msg->ext.coredump.core_id;
-		avs_dsp_op(adev, log_buffer_status, msg);
+		lbs_msg.log.core = msg->ext.coredump.core_id;
+		avs_dsp_op(adev, log_buffer_status, &lbs_msg);
 	}
 
 	pos = dump + AVS_FW_REGS_SIZE;
-- 
2.25.1



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