From f6d2c94c57189c162ccb531d10909d6d7f77c058 Mon Sep 17 00:00:00 2001 From: Ilya Ponetayev Date: Tue, 7 Jul 2020 23:02:30 +0300 Subject: [PATCH] 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. Signed-off-by: Chen Minqiang Signed-off-by: Ilya Ponetayev --- nls.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/nls.c b/nls.c index d48060a..1a70138 100644 --- a/nls.c +++ b/nls.c @@ -494,7 +494,7 @@ 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); @@ -518,7 +518,7 @@ 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++; } @@ -596,7 +596,7 @@ 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; @@ -610,7 +610,7 @@ 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++; }