| From | Yury Norov <> | Subject | [PATCH 01/49] net: dsa: don't use bitmap_weight() in b53_arl_read() | Date | Thu, 10 Feb 2022 14:48:45 -0800 |
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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> --- drivers/net/dsa/b53/b53_common.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c index a3b98992f180..d99813bf3cdd 100644 --- a/drivers/net/dsa/b53/b53_common.c +++ b/drivers/net/dsa/b53/b53_common.c @@ -1620,12 +1620,8 @@ static int b53_arl_read(struct b53_device *dev, u64 mac, return 0; } - if (bitmap_weight(free_bins, dev->num_arl_bins) == 0) - return -ENOSPC; - *idx = find_first_bit(free_bins, dev->num_arl_bins); - - return -ENOENT; + return *idx >= dev->num_arl_bins ? -ENOSPC : -ENOENT; } static int b53_arl_op(struct b53_device *dev, int op, int port, -- 2.32.0
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