[PATCH] fat: Simplify calc_fat_clusters code

[Seunghun Lee]

Code for fat12 and fat16/32 can be merged to one.

Signed-off-by: Seunghun Lee <waydi1@xxxxxxxxx>
---
 fs/fat/inode.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/fs/fat/inode.c b/fs/fat/inode.c
index 756aead..6992dea 100644
--- a/fs/fat/inode.c
+++ b/fs/fat/inode.c
@@ -1307,12 +1307,9 @@ static unsigned long calc_fat_clusters(struct super_block *sb)
 	struct msdos_sb_info *sbi = MSDOS_SB(sb);
 
 	/* Divide first to avoid overflow */
-	if (sbi->fat_bits != 12) {
-		unsigned long ent_per_sec = sb->s_blocksize * 8 / sbi->fat_bits;
-		return ent_per_sec * sbi->fat_length;
-	}
+	unsigned long ent_per_sec = sb->s_blocksize * 8 / sbi->fat_bits;
 
-	return sbi->fat_length * sb->s_blocksize * 8 / sbi->fat_bits;
+	return ent_per_sec * sbi->fat_length;
 }
 
 static bool fat_bpb_is_zero(struct fat_boot_sector *b)
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/