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sh_eth: use DIV_ROUND_UP() in sh_eth_soft_swap() 

When initializing 'maxp' in sh_eth_soft_swap(), the buffer length needs
to be rounded  up -- that's just asking for DIV_ROUND_UP()!

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sergei Shtylyov 2018-06-02 22:40:16 +03:00 committed by David S. Miller
parent bb2fa4e847
commit 1100149a23
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/renesas/sh_eth.c
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@ -464,7 +464,7 @@ static void sh_eth_soft_swap(char *src, int len)
{ {
#ifdef __LITTLE_ENDIAN #ifdef __LITTLE_ENDIAN
u32 *p = (u32 *)src; u32 *p = (u32 *)src;
u32 *maxp = p + ((len + sizeof(u32) - 1) / sizeof(u32)); u32 *maxp = p + DIV_ROUND_UP(len, sizeof(u32));
for (; p < maxp; p++) for (; p < maxp; p++)
*p = swab32(*p); *p = swab32(*p);