--- zzzz-none-000/linux-3.10.107/fs/minix/bitmap.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/minix/bitmap.c	2021-02-04 17:41:59.000000000 +0000
@@ -96,7 +96,7 @@
 unsigned long minix_count_free_blocks(struct super_block *sb)
 {
 	struct minix_sb_info *sbi = minix_sb(sb);
-	u32 bits = sbi->s_nzones - (sbi->s_firstdatazone + 1);
+	u32 bits = sbi->s_nzones - sbi->s_firstdatazone + 1;
 
 	return (count_free(sbi->s_zmap, sb->s_blocksize, bits)
 		<< sbi->s_log_zone_size);