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fec_mpc52xx: write in C...

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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 <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Al Viro 2007-12-22 18:56:53 +00:00 committed by Jeff Garzik
parent b1e247ad8e
commit cc154ac64a
1 changed files with 3 additions and 2 deletions
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5
drivers/net/fec_mpc52xx.c
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@ -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));