exfat: Remove unused functions exfat_high_surrogate() and exfat_low_s…

…urrogate() After applying previous two patches, these functions are not used anymore. Signed-off-by: Pali Rohár <[email protected]> Signed-off-by: Namjae Jeon <[email protected]>
niw · Jun 9, 2020 · 6778337 · 6778337
1 parent dddf7da
commit 6778337
Show file tree

Hide file tree

Showing 2 changed files with 0 additions and 15 deletions.
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
@@ -492,8 +492,6 @@ int exfat_nls_to_utf16(struct super_block *sb,
 		struct exfat_uni_name *uniname, int *p_lossy);
 int exfat_create_upcase_table(struct super_block *sb);
 void exfat_free_upcase_table(struct exfat_sb_info *sbi);
-unsigned short exfat_high_surrogate(unicode_t u);
-unsigned short exfat_low_surrogate(unicode_t u);
 
 /* exfat/misc.c */
 void __exfat_fs_error(struct super_block *sb, int report, const char *fmt, ...)

diff --git a/fs/exfat/nls.c b/fs/exfat/nls.c
@@ -535,22 +535,9 @@ static int exfat_utf8_to_utf16(struct super_block *sb,
 	return unilen;
 }
 
-#define PLANE_SIZE	0x00010000
 #define SURROGATE_MASK	0xfffff800
 #define SURROGATE_PAIR	0x0000d800
 #define SURROGATE_LOW	0x00000400
-#define SURROGATE_BITS	0x000003ff
-
-unsigned short exfat_high_surrogate(unicode_t u)
-{
-	return ((u - PLANE_SIZE) >> 10) + SURROGATE_PAIR;
-}
-
-unsigned short exfat_low_surrogate(unicode_t u)
-{
-	return ((u - PLANE_SIZE) & SURROGATE_BITS) | SURROGATE_PAIR |
-		SURROGATE_LOW;
-}
 
 static int __exfat_utf16_to_nls(struct super_block *sb,
 		struct exfat_uni_name *p_uniname, unsigned char *p_cstring,