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Subject[PATCH] net: marvell: mvpp2: Fix the computation of shared CPUs
Date
'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 <christophe.jaillet@wanadoo.fr>
---
Having extra bits set looks harmless to me, but would require some
unneeded locking.
---
drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
index a48e804c46f2..252e215a14f1 100644
--- a/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
+++ b/drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c
@@ -7454,7 +7454,7 @@ 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++) {
--
2.30.2
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