From 480efede66ab926dcf0516663294b9cd6ef69c70 Mon Sep 17 00:00:00 2001
From: Kevin Hamacher <kevin.hamacher@rub.de>
Date: Mon, 25 Apr 2016 20:19:54 +0200
Subject: [PATCH] swaylock: fix double free

---
 main.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/main.c b/main.c
index 1885b51..777bca0 100644
--- a/main.c
+++ b/main.c
@@ -90,7 +90,7 @@ int function_conversation(int num_msg, const struct pam_message **msg,
 }
 
 /**
- * password will be zeroed out.
+ * Note: PAM will free() 'password' during the process
  */
 bool verify_password() {
 	struct passwd *passwd = getpwuid(getuid());
@@ -131,7 +131,6 @@ void notify_key(enum wl_keyboard_key_state state, xkb_keysym_t sym, uint32_t cod
 			redraw_screen = 1;
 
 			password_size = 1024;
-			free(password);
 			password = malloc(password_size);
 			password[0] = '\0';
 			break;