shared/gatt-db: Allow passing NULL to gatt_db_attribute_write

This makes gatt_db_attribute_write to accept NULL as a func when
storing directly on the db itself.

diff --git a/src/shared/gatt-db.c b/src/shared/gatt-db.c
index 75a3ff2..40659a9 100644 (file)
--- a/src/shared/gatt-db.c
+++ b/src/shared/gatt-db.c
@@ -2106,7 +2106,7 @@ bool gatt_db_attribute_write(struct gatt_db_attribute *attrib, uint16_t offset,
 {
        uint8_t err = 0;
 
-       if (!attrib || !func)
+       if (!attrib || (!func && attrib->write_func))
                return false;
 
        if (attrib->write_func) {
@@ -2169,7 +2169,8 @@ bool gatt_db_attribute_write(struct gatt_db_attribute *attrib, uint16_t offset,
        memcpy(&attrib->value[offset], value, len);
 
 done:
-       func(attrib, err, user_data);
+       if (func)
+               func(attrib, err, user_data);
 
        return true;
 }