diff --git a/fs/erofs/super.c b/fs/erofs/super.c
index caf9a95173b0..0e369494f2f2 100644
--- a/fs/erofs/super.c
+++ b/fs/erofs/super.c
@@ -105,9 +105,9 @@ static int erofs_read_superblock(struct super_block *sb)
 	int ret;
 
 	page = read_mapping_page(sb->s_bdev->bd_inode->i_mapping, 0, NULL);
-	if (!page) {
+	if (IS_ERR(page)) {
 		erofs_err(sb, "cannot read erofs superblock");
-		return -EIO;
+		return PTR_ERR(page);
 	}
 
 	sbi = EROFS_SB(sb);