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| author | Tetsuhiro Kohada <kohada.t2@gmail.com> | 2020-05-31 12:30:17 +0300 |
|---|---|---|
| committer | Namjae Jeon <namjae.jeon@samsung.com> | 2020-06-09 10:49:19 +0300 |
| commit | 476189c0ef3b658de3f6b89fd0fdeb6dc451b564 (patch) | |
| tree | b584a3bad9243822b5efcffd28b2872bd741bce0 /fs/exfat/exfat_fs.h | |
| parent | 33404a159828a97fefada0d8f4cf910873b8e9f1 (diff) | |
| download | linux-476189c0ef3b658de3f6b89fd0fdeb6dc451b564.tar.xz | |
exfat: add boot region verification
Add Boot-Regions verification specified in exFAT specification.
Note that the checksum type is strongly related to the raw structure,
so the'u32 'type is used to clarify the number of bits.
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/exfat_fs.h')
| -rw-r--r-- | fs/exfat/exfat_fs.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h index 911f58b93f3d..8c2a70bfaa10 100644 --- a/fs/exfat/exfat_fs.h +++ b/fs/exfat/exfat_fs.h @@ -514,6 +514,7 @@ void exfat_set_entry_time(struct exfat_sb_info *sbi, struct timespec64 *ts, u8 *tz, __le16 *time, __le16 *date, u8 *time_cs); unsigned short exfat_calc_chksum_2byte(void *data, int len, unsigned short chksum, int type); +u32 exfat_calc_chksum32(void *data, int len, u32 chksum, int type); void exfat_update_bh(struct super_block *sb, struct buffer_head *bh, int sync); void exfat_chain_set(struct exfat_chain *ec, unsigned int dir, unsigned int size, unsigned char flags); |