Commit 1ef1b69b authored by Yury Norov's avatar Yury Norov
Browse files

net: systemport: don't use bitmap_weight() in bcm_sysport_rule_set() 



Don't call bitmap_weight() if the following code can get by
without it.

Signed-off-by: default avatarYury Norov <yury.norov@gmail.com>
Acked-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
parent e18e5cbc

drivers/net/ethernet/broadcom/bcmsysport.c

+1 −5
Original line number Diff line number Diff line
@@ -2180,13 +2180,9 @@ static int bcm_sysport_rule_set(struct bcm_sysport_priv *priv, 
	if (nfc->fs.ring_cookie != RX_CLS_FLOW_WAKE)

		return -EOPNOTSUPP;



	/* All filters are already in use, we cannot match more rules */

	if (bitmap_weight(priv->filters, RXCHK_BRCM_TAG_MAX) ==

	    RXCHK_BRCM_TAG_MAX)

		return -ENOSPC;



	index = find_first_zero_bit(priv->filters, RXCHK_BRCM_TAG_MAX);

	if (index >= RXCHK_BRCM_TAG_MAX)

		/* All filters are already in use, we cannot match more rules */

		return -ENOSPC;



	/* Location is the classification ID, and index is the position