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Subject[PATCH -next] staging: exfat: remove two unused functions
Date
Fix sparse warnings:

drivers/staging/exfat/exfat_core.c:2045:4: warning: symbol 'calc_checksum_1byte' was not declared. Should it be static?
drivers/staging/exfat/exfat_core.c:2080:5: warning: symbol 'calc_checksum_4byte' was not declared. Should it be static?

The two functions has no caller in tree, so remove it.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
---
drivers/staging/exfat/exfat_core.c | 35 -----------------------------------
1 file changed, 35 deletions(-)

diff --git a/drivers/staging/exfat/exfat_core.c b/drivers/staging/exfat/exfat_core.c
index 1638ed2..d2d3447 100644
--- a/drivers/staging/exfat/exfat_core.c
+++ b/drivers/staging/exfat/exfat_core.c
@@ -2042,17 +2042,6 @@ static s32 exfat_calc_num_entries(struct uni_name_t *p_uniname)
return (len - 1) / 15 + 3;
}

-u8 calc_checksum_1byte(void *data, s32 len, u8 chksum)
-{
- int i;
- u8 *c = (u8 *)data;
-
- for (i = 0; i < len; i++, c++)
- chksum = (((chksum & 1) << 7) | ((chksum & 0xFE) >> 1)) + *c;
-
- return chksum;
-}
-
u16 calc_checksum_2byte(void *data, s32 len, u16 chksum, s32 type)
{
int i;
@@ -2077,30 +2066,6 @@ u16 calc_checksum_2byte(void *data, s32 len, u16 chksum, s32 type)
return chksum;
}

-u32 calc_checksum_4byte(void *data, s32 len, u32 chksum, s32 type)
-{
- int i;
- u8 *c = (u8 *)data;
-
- switch (type) {
- case CS_PBR_SECTOR:
- for (i = 0; i < len; i++, c++) {
- if ((i == 106) || (i == 107) || (i == 112))
- continue;
- chksum = (((chksum & 1) << 31) |
- ((chksum & 0xFFFFFFFE) >> 1)) + (u32)*c;
- }
- break;
- default
- :
- for (i = 0; i < len; i++, c++)
- chksum = (((chksum & 1) << 31) |
- ((chksum & 0xFFFFFFFE) >> 1)) + (u32)*c;
- }
-
- return chksum;
-}
-
/*
* Name Resolution Functions
*/
--
2.7.4

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