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net: fddi: use swap() to make code cleaner

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Use the macro 'swap()' defined in 'include/linux/minmax.h' to avoid
opencoding it.

Signed-off-by: Yihao Han <hanyihao@vivo.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yihao Han 2021-11-14 22:58:16 -08:00 committed by David S. Miller
parent 9ed941178c
commit 311107bdec
1 changed files with 4 additions and 10 deletions
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14
drivers/net/fddi/skfp/smt.c
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@ -1846,10 +1846,10 @@ void smt_swap_para(struct smt_header *sm, int len, int direction)
}
}
static void smt_string_swap(char *data, const char *format, int len)
{
const char *open_paren = NULL ;
int x ;
while (len > 0 && *format) {
switch (*format) {
@ -1876,19 +1876,13 @@ static void smt_string_swap(char *data, const char *format, int len)
len-- ;
break ;
case 's' :
x = data[0] ;
data[0] = data[1] ;
data[1] = x ;
swap(data[0], data[1]) ;
data += 2 ;
len -= 2 ;
break ;
case 'l' :
x = data[0] ;
data[0] = data[3] ;
data[3] = x ;
x = data[1] ;
data[1] = data[2] ;
data[2] = x ;
swap(data[0], data[3]) ;
swap(data[1], data[2]) ;
data += 4 ;
len -= 4 ;
break ;