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ethtool: Clean up definitions of rule location arrays in RX NFC

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Correct the description of ethtool_rxnfc::rule_locs; it is an array
of currently used locations, not all possible valid locations.

Add note that drivers must not use ethtool_rxnfc::rule_locs.

The rule_locs argument to ethtool_ops::get_rxnfc is either NULL or a
pointer to an array of u32, so change the parameter type accordingly.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings
2011-09-06 13:49:12 +00:00
committed by David S. Miller
parent 434495c50e
commit 815c7db5c8
8 changed files with 14 additions and 14 deletions
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4
drivers/net/ethernet/freescale/gianfar_ethtool.c
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@@ -1712,7 +1712,7 @@ static int gfar_set_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
}
static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
void *rule_locs)
u32 *rule_locs)
{
struct gfar_private *priv = netdev_priv(dev);
int ret = 0;
@@ -1728,7 +1728,7 @@ static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
ret = gfar_get_cls(priv, cmd);
break;
case ETHTOOL_GRXCLSRLALL:
ret = gfar_get_cls_all(priv, cmd, (u32 *) rule_locs);
ret = gfar_get_cls_all(priv, cmd, rule_locs);
break;
default:
ret = -EINVAL;