diff --git a/drivers/staging/hisysevent/hisysevent_builder.h b/drivers/staging/hisysevent/hisysevent_builder.h
index 7f90db1fb19ff344925af8ec8b0d4213d5a08c61..6570b849984729789515b32dbd8c82f04d762bec 100644
--- a/drivers/staging/hisysevent/hisysevent_builder.h
+++ b/drivers/staging/hisysevent/hisysevent_builder.h
@@ -17,6 +17,8 @@
 #define MAX_DOMAIN_LENGTH 16
 #define MAX_EVENT_NAME_LENGTH 32
 
+#pragma pack(1)
+
 struct hisysevent_header {
 	/* event domain */
 	char domain[MAX_DOMAIN_LENGTH + 1];
@@ -49,6 +51,8 @@ struct hisysevent_header {
 	u8 is_open_trace: 1;
 };
 
+#pragma pack()
+
 struct hisysevent_params {
 	/* total count of parameters */
 	s32 total_cnt;
diff --git a/drivers/staging/hisysevent/hisysevent_raw_data_encoder.c b/drivers/staging/hisysevent/hisysevent_raw_data_encoder.c
index 9ccc928962e6678fb957c78060a0cabdd9cedcc3..a206950aa162ccbd67535fc9a1296477ba20b42a 100644
--- a/drivers/staging/hisysevent/hisysevent_raw_data_encoder.c
+++ b/drivers/staging/hisysevent/hisysevent_raw_data_encoder.c
@@ -32,6 +32,8 @@ enum hisysevent_encode_type {
 	LENGTH_DELIMITED = 1,
 };
 
+#pragma pack(1)
+
 struct param_value_type {
 	/* array flag */
 	u8 is_array: 1;
@@ -43,6 +45,8 @@ struct param_value_type {
 	u8 value_byte_cnt: 3;
 };
 
+#pragma pack()
+
 static u8 encode_tag(u8 type)
 {
 	return type << (TAG_BYTE_OFFSET + 1);