lib-smtp: server: MAIL command: Make sure conn->state.pending_mail_cmds cannot decrem...

Added assertion.

diff --git a/src/lib-smtp/smtp-server-cmd-mail.c b/src/lib-smtp/smtp-server-cmd-mail.c
index 1efbba84e9dbd25cea9c9419de9cb44331a9353f..f1574bf6f11dfd299f1b04db3c4165597545c0b2 100644 (file)
--- a/src/lib-smtp/smtp-server-cmd-mail.c
+++ b/src/lib-smtp/smtp-server-cmd-mail.c
@@ -35,6 +35,7 @@ static void cmd_mail_replied(struct smtp_server_cmd_ctx *cmd)
        struct smtp_server_cmd_mail *data =
                (struct smtp_server_cmd_mail *)command->data;
 
+       i_assert(conn->state.pending_mail_cmds > 0);
        conn->state.pending_mail_cmds--;
 
        i_assert(smtp_server_command_is_replied(command));