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[PATCH] m68k: lvalues abuse in mac8390

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Cast is not an lvalue

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2006-01-12 01:06:21 -08:00 committed by Linus Torvalds
parent 0efb713482
commit 09cc07a5c7
1 changed files with 14 additions and 17 deletions
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31
drivers/net/mac8390.c
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@ -559,55 +559,52 @@ static void mac8390_no_reset(struct net_device *dev)
/* directly from daynaport.c by Alan Cox */
static void dayna_memcpy_fromcard(struct net_device *dev, void *to, int from, int count)
{
volatile unsigned short *ptr;
unsigned short *target=to;
volatile unsigned char *ptr;
unsigned char *target=to;
from<<=1; /* word, skip overhead */
ptr=(unsigned short *)(dev->mem_start+from);
ptr=(unsigned char *)(dev->mem_start+from);
/* Leading byte? */
if (from&2) {
*((char *)target)++ = *(((char *)ptr++)-1);
*target++ = ptr[-1];
ptr += 2;
count--;
}
while(count>=2)
{
*target++=*ptr++; /* Copy and */
ptr++; /* skip cruft */
*(unsigned short *)target = *(unsigned short volatile *)ptr;
ptr += 4; /* skip cruft */
target += 2;
count-=2;
}
/* Trailing byte? */
if(count)
{
/* Big endian */
unsigned short v=*ptr;
*((char *)target)=v>>8;
}
*target = *ptr;
}
static void dayna_memcpy_tocard(struct net_device *dev, int to, const void *from, int count)
{
volatile unsigned short *ptr;
const unsigned short *src=from;
const unsigned char *src=from;
to<<=1; /* word, skip overhead */
ptr=(unsigned short *)(dev->mem_start+to);
/* Leading byte? */
if (to&2) { /* avoid a byte write (stomps on other data) */
ptr[-1] = (ptr[-1]&0xFF00)|*((unsigned char *)src)++;
ptr[-1] = (ptr[-1]&0xFF00)|*src++;
ptr++;
count--;
}
while(count>=2)
{
*ptr++=*src++; /* Copy and */
*ptr++=*(unsigned short *)src; /* Copy and */
ptr++; /* skip cruft */
src += 2;
count-=2;
}
/* Trailing byte? */
if(count)
{
/* Big endian */
unsigned short v=*src;
/* card doesn't like byte writes */
*ptr=(*ptr&0x00FF)|(v&0xFF00);
*ptr=(*ptr&0x00FF)|(*src << 8);
}
}