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authorOGAWA Hirofumi <hirofumi@mail.parknet.co.jp>2005-10-30 15:03:49 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-10-30 17:37:32 -0800
commit451cbaa1c328082832a8fbcc427cd4416c602c5a (patch)
tree139c3d33d0cf3f9eba214c504e4173f54c6cf66d /fs/vfat
parent4e57b6817880946a3a78d5d8cad1ace363f7e449 (diff)
downloadlinux-linaro-stable-451cbaa1c328082832a8fbcc427cd4416c602c5a.tar.gz
[PATCH] fat: cleanup and optimization of checksum
Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'fs/vfat')
-rw-r--r--fs/vfat/namei.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/vfat/namei.c b/fs/vfat/namei.c
index 1c6f6b57ef1c..467346b123d9 100644
--- a/fs/vfat/namei.c
+++ b/fs/vfat/namei.c
@@ -621,8 +621,7 @@ static int vfat_build_slots(struct inode *dir, const unsigned char *name,
}
/* build the entry of long file name */
- for (cksum = i = 0; i < 11; i++)
- cksum = (((cksum&1)<<7)|((cksum&0xfe)>>1)) + msdos_name[i];
+ cksum = fat_checksum(msdos_name);
*nr_slots = usize / 13;
for (ps = slots, i = *nr_slots; i > 0; i--, ps++) {