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| author | Ilya Ponetayev <i.ponetaev@ndmsystems.com> | 2020-07-16 17:27:53 +0900 |
|---|---|---|
| committer | Namjae Jeon <namjae.jeon@samsung.com> | 2020-07-21 10:44:19 +0900 |
| commit | db415f7aae07cadcabd5d2a659f8ad825c905299 (patch) | |
| tree | 451caee363f6d3749e220d38010bafcd3d5f2755 /fs/exfat | |
| parent | 41e3928f8c58184fcf0bb22e822af39a436370c7 (diff) | |
| download | linux-db415f7aae07cadcabd5d2a659f8ad825c905299.tar.gz linux-db415f7aae07cadcabd5d2a659f8ad825c905299.tar.bz2 linux-db415f7aae07cadcabd5d2a659f8ad825c905299.zip | |
exfat: fix name_hash computation on big endian systems
On-disk format for name_hash field is LE, so it must be explicitly
transformed on BE system for proper result.
Fixes: 370e812b3ec1 ("exfat: add nls operations")
Cc: stable@vger.kernel.org # v5.7
Signed-off-by: Chen Minqiang <ptpt52@gmail.com>
Signed-off-by: Ilya Ponetayev <i.ponetaev@ndmsystems.com>
Reviewed-by: Sungjong Seo <sj1557.seo@samsung.com>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Diffstat (limited to 'fs/exfat')
| -rw-r--r-- | fs/exfat/nls.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/exfat/nls.c b/fs/exfat/nls.c index 57b5a7a4d1f7..a3c927501e67 100644 --- a/fs/exfat/nls.c +++ b/fs/exfat/nls.c @@ -495,7 +495,7 @@ static int exfat_utf8_to_utf16(struct super_block *sb, struct exfat_uni_name *p_uniname, int *p_lossy) { int i, unilen, lossy = NLS_NAME_NO_LOSSY; - unsigned short upname[MAX_NAME_LENGTH + 1]; + __le16 upname[MAX_NAME_LENGTH + 1]; unsigned short *uniname = p_uniname->name; WARN_ON(!len); @@ -519,7 +519,7 @@ static int exfat_utf8_to_utf16(struct super_block *sb, exfat_wstrchr(bad_uni_chars, *uniname)) lossy |= NLS_NAME_LOSSY; - upname[i] = exfat_toupper(sb, *uniname); + upname[i] = cpu_to_le16(exfat_toupper(sb, *uniname)); uniname++; } @@ -597,7 +597,7 @@ static int exfat_nls_to_ucs2(struct super_block *sb, struct exfat_uni_name *p_uniname, int *p_lossy) { int i = 0, unilen = 0, lossy = NLS_NAME_NO_LOSSY; - unsigned short upname[MAX_NAME_LENGTH + 1]; + __le16 upname[MAX_NAME_LENGTH + 1]; unsigned short *uniname = p_uniname->name; struct nls_table *nls = EXFAT_SB(sb)->nls_io; @@ -611,7 +611,7 @@ static int exfat_nls_to_ucs2(struct super_block *sb, exfat_wstrchr(bad_uni_chars, *uniname)) lossy |= NLS_NAME_LOSSY; - upname[unilen] = exfat_toupper(sb, *uniname); + upname[unilen] = cpu_to_le16(exfat_toupper(sb, *uniname)); uniname++; unilen++; } |