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fix(bt/bluedroid): Fixed AddCharacteristic failed when attr_len is zero for AUTO_RSP

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zhiweijian
2026-03-31 12:02:32 +08:00
parent d45c6fe739
commit 5d02a35ea1
1 changed files with 10 additions and 12 deletions
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components/bt/host/bluedroid/bta/gatt/bta_gatts_api.c
+10 -12
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@@ -236,21 +236,19 @@ void BTA_GATTS_AddCharacteristic (UINT16 service_id, const tBT_UUID * p_char_u
p_buf->control.auto_rsp = control->auto_rsp;
}
if(attr_val != NULL && len){
if(attr_val != NULL){
p_buf->attr_val.attr_len = attr_val->attr_len;
p_buf->attr_val.attr_max_len = attr_val->attr_max_len;
p_buf->attr_val.attr_val = (uint8_t *)osi_malloc(len);
if(p_buf->attr_val.attr_val != NULL){
memcpy(p_buf->attr_val.attr_val, attr_val->attr_val, len);
} else {
p_buf->attr_val.attr_len = 0;
p_buf->attr_val.attr_max_len = 0;
APPL_TRACE_ERROR("Allocate fail for %s\n", __func__);
if(len != 0){
p_buf->attr_val.attr_val = (uint8_t *)osi_malloc(len);
if(p_buf->attr_val.attr_val != NULL){
memcpy(p_buf->attr_val.attr_val, attr_val->attr_val, len);
} else {
p_buf->attr_val.attr_len = 0;
p_buf->attr_val.attr_max_len = 0;
APPL_TRACE_ERROR("Allocate fail for %s\n", __func__);
}
}
} else {
p_buf->attr_val.attr_len = 0;
p_buf->attr_val.attr_max_len = 0;
p_buf->attr_val.attr_val = NULL;
}
if (p_char_uuid) {