From: Christophe JAILLET Date: Mon, 29 Nov 2021 21:53:27 +0000 (+0100) Subject: net: marvell: mvpp2: Fix the computation of shared CPUs X-Git-Tag: v5.16-rc4~22^2~26 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=b83f5ac7d922e69a109261f5f940eebbd4e514c4;p=thirdparty%2Fkernel%2Flinux.git net: marvell: mvpp2: Fix the computation of shared CPUs 'bitmap_fill()' fills a bitmap one 'long' at a time. It is likely that an exact number of bits is expected. Use 'bitmap_set()' instead in order not to set unexpected bits. Fixes: e531f76757eb ("net: mvpp2: handle cases where more CPUs are available than s/w threads") Signed-off-by: Christophe JAILLET Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c index ce486e16489c5..6480696c979be 100644 --- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c +++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c @@ -7458,7 +7458,7 @@ static int mvpp2_probe(struct platform_device *pdev) shared = num_present_cpus() - priv->nthreads; if (shared > 0) - bitmap_fill(&priv->lock_map, + bitmap_set(&priv->lock_map, 0, min_t(int, shared, MVPP2_MAX_THREADS)); for (i = 0; i < MVPP2_MAX_THREADS; i++) {