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: Yury Norov <[email protected]> Acked-by: Florian Fainelli <[email protected]>
josf · May 2, 2022 · 1ef1b69 · 1ef1b69
1 parent e18e5cb
commit 1ef1b69
Showing 1 changed file with 1 addition and 5 deletions.
diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c
@@ -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