res_config_sqlite3: Fix crash when loading with invalid config

When ast_config_load() fails with CONFIG_STATUS_FILEINVALID, it has
already destroyed the ast_config struct for us. Trying to do it again
results in a crash.

Change-Id: If6a5c0ca718ad428e01a1fb25beb209a9ac18bc6

diff --git a/res/res_config_sqlite3.c b/res/res_config_sqlite3.c
index 4c4b820516dd99bc982918193baf8a01febf83cd..39d4f08ad5e75596cd198dafc93ad95d96a7bfc0 100644 (file)
--- a/res/res_config_sqlite3.c
+++ b/res/res_config_sqlite3.c
@@ -1127,6 +1127,8 @@ static int parse_config(int reload)
        if (config == CONFIG_STATUS_FILEMISSING || config == CONFIG_STATUS_FILEINVALID) {
                ast_log(LOG_ERROR, "%s config file '%s'\n",
                        config == CONFIG_STATUS_FILEMISSING ? "Missing" : "Invalid", config_filename);
+               ast_mutex_unlock(&config_lock);
+               return 0;
        } else {
                const char *cat;
                struct realtime_sqlite3_db *db;