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. Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@xxxxxxxxx> --- diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 2614774..751997d 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); -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html