From: Al Viro Date: Sat, 22 Dec 2007 18:56:53 +0000 (+0000) Subject: fec_mpc52xx: write in C... X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=cc154ac64aa8d3396b187f64cef01ce67f433324;p=openwrt%2Fstaging%2Fblogic.git fec_mpc52xx: write in C... If you need to find a difference between addresses of two struct members, subtract offsetof() or cast addresses to char * and subtract those if you prefer it that way. Doing that same with s/char */u32/, OTOH... Signed-off-by: Al Viro Signed-off-by: Jeff Garzik --- diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c index 79f7eade4773..f91ee700e605 100644 --- a/drivers/net/fec_mpc52xx.c +++ b/drivers/net/fec_mpc52xx.c @@ -568,8 +568,9 @@ static void mpc52xx_fec_reset_stats(struct net_device *dev) struct mpc52xx_fec __iomem *fec = priv->fec; out_be32(&fec->mib_control, FEC_MIB_DISABLE); - memset_io(&fec->rmon_t_drop, 0, (__force u32)&fec->reserved10 - - (__force u32)&fec->rmon_t_drop); + memset_io(&fec->rmon_t_drop, 0, + offsetof(struct mpc52xx_fec, reserved10) - + offsetof(struct mpc52xx_fec, rmon_t_drop)); out_be32(&fec->mib_control, 0); memset(&dev->stats, 0, sizeof(dev->stats));