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staging: exfat: remove two unused functions

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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>
Link: https://lore.kernel.org/r/20191114140348.46088-1-yuehaibing@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
YueHaibing 2019-11-14 22:03:48 +08:00 committed by Greg Kroah-Hartman
parent 6caba26ff7
commit d138aed68a
1 changed files with 0 additions and 35 deletions
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35
drivers/staging/exfat/exfat_core.c
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@ -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
*/