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

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

Signed-off-by: Yury Norov <yury.norov@gmail.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
This commit is contained in:
Yury Norov 2022-01-23 10:38:33 -08:00
parent e18e5cbc70
commit 1ef1b69bea
1 changed files with 1 additions and 5 deletions
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6
drivers/net/ethernet/broadcom/bcmsysport.c
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@ -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