From a1c6c5698d53db4c47a25c3a8d11731a4d7b8370 Mon Sep 17 00:00:00 2001 From: Sergey Senozhatsky Date: Wed, 27 Oct 2010 21:30:04 -0400 Subject: [PATCH] ext4: fix NULL pointer dereference in print_daily_error_info() Fix NULL pointer dereference in print_daily_error_info, when called on unmounted fs (EXT4_SB(sb) returns NULL), by removing error reporting timer in ext4_put_super. Google-Bug-Id: 3017663 Signed-off-by: Sergey Senozhatsky Signed-off-by: "Theodore Ts'o" --- fs/ext4/super.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 26147746c272..751997d2cefe 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -719,6 +719,7 @@ static void ext4_put_super(struct super_block *sb) ext4_abort(sb, "Couldn't clean up the journal"); } + del_timer(&sbi->s_err_report); ext4_release_system_zone(sb); ext4_mb_release(sb); ext4_ext_release(sb); -- 2.11.0