diff options
| author | Al Viro <viro@ftp.linux.org.uk> | 2007-12-22 18:56:53 +0000 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-12-22 22:53:07 -0500 |
| commit | cc154ac64aa8d3396b187f64cef01ce67f433324 (patch) | |
| tree | dd112547d2d35d8d2c1d2cc7854619514d9e3169 | |
| parent | b1e247ad8e4ff29b5c7fa2b9a081b4a0f483b0d3 (diff) | |
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 <viro@zeniv.linux.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
| -rw-r--r-- | drivers/net/fec_mpc52xx.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/net/fec_mpc52xx.c b/drivers/net/fec_mpc52xx.c index 79f7eade477..f91ee700e60 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)); |