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authorPali Rohár <pali@kernel.org>2020-03-17 23:25:54 +0100
committerNamjae Jeon <namjae.jeon@samsung.com>2020-06-09 16:48:49 +0900
commit6778337a7a4e51ec9fa4a76846d34e8a66ca6418 (patch)
tree603f2aa5bccdc65fa19c6e32e878548a466b9cf4 /fs/exfat
parentdddf7da3985ee144b46ee287e81e47b9ee8bb980 (diff)
downloadlinux-6778337a7a4e51ec9fa4a76846d34e8a66ca6418.tar.gz
exfat: Remove unused functions exfat_high_surrogate() and exfat_low_surrogate()
After applying previous two patches, these functions are not used anymore.

Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Namjae Jeon <namjae.jeon@samsung.com>
Diffstat (limited to 'fs/exfat')
-rw-r--r--fs/exfat/exfat_fs.h2
-rw-r--r--fs/exfat/nls.c13
2 files changed, 0 insertions, 15 deletions
diff --git a/fs/exfat/exfat_fs.h b/fs/exfat/exfat_fs.h
index 1ebfb9085f1f..3862df6af738 100644
--- 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
index 2178786b708b..1ebda90cbdd7 100644
--- 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,