Users can pass in an arbitrary source path for the proper type of a mount then without "Can't lookup blockdev" error message. Reported-by: Allison Karlitskaya <allison.karlitskaya@xxxxxxxxxx> Closes: https://lore.kernel.org/r/CAOYeF9VQ8jKVmpy5Zy9DNhO6xmWSKMB-DO8yvBB0XvBE7=3Ugg@xxxxxxxxxxxxxx Signed-off-by: Gao Xiang <hsiangkao@xxxxxxxxxxxxxxxxx> --- changes since v1: - use new get_tree_bdev_flags(). fs/erofs/super.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/fs/erofs/super.c b/fs/erofs/super.c index 666873f745da..b89836a8760d 100644 --- a/fs/erofs/super.c +++ b/fs/erofs/super.c @@ -705,7 +705,9 @@ static int erofs_fc_get_tree(struct fs_context *fc) if (IS_ENABLED(CONFIG_EROFS_FS_ONDEMAND) && sbi->fsid) return get_tree_nodev(fc, erofs_fc_fill_super); - ret = get_tree_bdev(fc, erofs_fc_fill_super); + ret = get_tree_bdev_flags(fc, erofs_fc_fill_super, + IS_ENABLED(CONFIG_EROFS_FS_BACKED_BY_FILE) ? + GET_TREE_BDEV_QUIET_LOOKUP : 0); #ifdef CONFIG_EROFS_FS_BACKED_BY_FILE if (ret == -ENOTBLK) { if (!fc->source) -- 2.43.5