linux-kernel - [PATCH] ethtool: netlink: Slightly simplify 'ethnl_features_to

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Message-Id: <17fca158231c6f03689bd891254f0dd1f4e84cb8.1638091829.git.christophe.jaillet@wanadoo.fr>
Date:   Sun, 28 Nov 2021 12:03:30 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     davem@...emloft.net, kuba@...nel.org
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org,
        Christophe JAILLET <christophe.jaillet@...adoo.fr>
Subject: [PATCH] ethtool: netlink: Slightly simplify 'ethnl_features_to_bitmap()'

The 'dest' bitmap is fully initialized by the 'for' loop, so there is no
need to explicitly reset it.

This also makes this function in line with 'ethnl_features_to_bitmap32()'
which does not clear the destination before writing it.

Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 net/ethtool/features.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/net/ethtool/features.c b/net/ethtool/features.c
index 1c9f4df273bd..2e7331b23996 100644
--- a/net/ethtool/features.c
+++ b/net/ethtool/features.c
@@ -136,7 +136,6 @@ static void ethnl_features_to_bitmap(unsigned long *dest, netdev_features_t val)
 	const unsigned int words = BITS_TO_LONGS(NETDEV_FEATURE_COUNT);
 	unsigned int i;
 
-	bitmap_zero(dest, NETDEV_FEATURE_COUNT);
 	for (i = 0; i < words; i++)
 		dest[i] = (unsigned long)(val >> (i * BITS_PER_LONG));
 }
-- 
2.30.2