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| author | Tetsuhiro Kohada <kohada.t2@gmail.com> | 2020-05-29 13:14:59 +0300 |
|---|---|---|
| committer | Namjae Jeon <namjae.jeon@samsung.com> | 2020-06-09 10:49:25 +0300 |
| commit | 5875bf287d95314c58add01184f361cc5aa38429 (patch) | |
| tree | 1de468fb69859f1d17eac04c52d125d4761af6f6 /fs/exfat/dir.c | |
| parent | 476189c0ef3b658de3f6b89fd0fdeb6dc451b564 (diff) | |
| download | linux-5875bf287d95314c58add01184f361cc5aa38429.tar.xz | |
exfat: standardize checksum calculation
To clarify that it is a 16-bit checksum, the parts related to the 16-bit
checksum are renamed and change type to u16.
Furthermore, replace checksum calculation in exfat_load_upcase_table()
with exfat_calc_checksum32().
Signed-off-by: Tetsuhiro Kohada <kohada.t2@gmail.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Diffstat (limited to 'fs/exfat/dir.c')
| -rw-r--r-- | fs/exfat/dir.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/fs/exfat/dir.c b/fs/exfat/dir.c index 2902d285bf20..de43534aa299 100644 --- a/fs/exfat/dir.c +++ b/fs/exfat/dir.c @@ -491,7 +491,7 @@ int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir, int ret = 0; int i, num_entries; sector_t sector; - unsigned short chksum; + u16 chksum; struct exfat_dentry *ep, *fep; struct buffer_head *fbh, *bh; @@ -500,7 +500,7 @@ int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir, return -EIO; num_entries = fep->dentry.file.num_ext + 1; - chksum = exfat_calc_chksum_2byte(fep, DENTRY_SIZE, 0, CS_DIR_ENTRY); + chksum = exfat_calc_chksum16(fep, DENTRY_SIZE, 0, CS_DIR_ENTRY); for (i = 1; i < num_entries; i++) { ep = exfat_get_dentry(sb, p_dir, entry + i, &bh, NULL); @@ -508,7 +508,7 @@ int exfat_update_dir_chksum(struct inode *inode, struct exfat_chain *p_dir, ret = -EIO; goto release_fbh; } - chksum = exfat_calc_chksum_2byte(ep, DENTRY_SIZE, chksum, + chksum = exfat_calc_chksum16(ep, DENTRY_SIZE, chksum, CS_DEFAULT); brelse(bh); } @@ -593,8 +593,8 @@ void exfat_update_dir_chksum_with_entry_set(struct exfat_entry_set_cache *es) for (i = 0; i < es->num_entries; i++) { ep = exfat_get_dentry_cached(es, i); - chksum = exfat_calc_chksum_2byte(ep, DENTRY_SIZE, chksum, - chksum_type); + chksum = exfat_calc_chksum16(ep, DENTRY_SIZE, chksum, + chksum_type); chksum_type = CS_DEFAULT; } ep = exfat_get_dentry_cached(es, 0); @@ -1000,7 +1000,7 @@ rewind: } if (entry_type == TYPE_STREAM) { - unsigned short name_hash; + u16 name_hash; if (step != DIRENT_STEP_STRM) { step = DIRENT_STEP_FILE; |