pgsql: Avoid crash in multi-command transaction if one of the queries couldn't be...

diff --git a/src/lib-sql/driver-pgsql.c b/src/lib-sql/driver-pgsql.c
index ce215b5d4cb0365b727e0a64350399cd4f14fb87..430e4235b04521b68b864b5e6ba0e4a47822a937 100644 (file)
--- a/src/lib-sql/driver-pgsql.c
+++ b/src/lib-sql/driver-pgsql.c
@@ -895,9 +895,11 @@ static bool transaction_send_next(void *context)
        }
 
        if (ctx->ctx.head != NULL) {
-               sql_query(ctx->ctx.db, ctx->ctx.head->query,
-                         transaction_update_callback, ctx->ctx.head);
+               struct sql_transaction_query *query = ctx->ctx.head;
+
                ctx->ctx.head = ctx->ctx.head->next;
+               sql_query(ctx->ctx.db, query->query,
+                         transaction_update_callback, query);
        } else {
                sql_query(ctx->ctx.db, "COMMIT",
                          transaction_commit_callback, ctx);