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Commit bfec04c6 authored by Christophe JAILLET's avatar Christophe JAILLET Committed by Greg Kroah-Hartman
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net: marvell: mvpp2: Fix the computation of shared CPUs 



commit b83f5ac7d922e69a109261f5f940eebbd4e514c4 upstream.

'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: e531f767 ("net: mvpp2: handle cases where more CPUs are available than s/w threads")
Signed-off-by: default avatarChristophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d4034bb9

drivers/net/ethernet/marvell/mvpp2/mvpp2_main.c

+1 −1
Original line number Diff line number Diff line
@@ -5773,7 +5773,7 @@ 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++) {