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(parent: 8cbcdc1) | patch
net: phy: marvell: Fix deadlock from wrong locking
authorAndrew Lunn <andrew@lunn.ch>
Thu, 10 Jan 2019 23:15:21 +0000 (00:15 +0100)
committerDavid S. Miller <davem@davemloft.net>
Wed, 16 Jan 2019 05:51:19 +0000 (21:51 -0800)
commite0a7328fad9979104f73e19bedca821ef3262ae1
treecda417e2b65abbba239f6911f0ade3ac0ec2b70dtree | snapshot
parent8cbcdc1a51999ca81db2956608b917aacd28d837commit | diff
net: phy: marvell: Fix deadlock from wrong locking

m88e1318_set_wol() takes the lock as part of phy_select_page(). Don't
take the lock again with phy_read(), use the unlocked __phy_read().

Fixes: 424ca4c55121 ("net: phy: marvell: fix paged access races")
Reported-by: Åke Rehnman <ake.rehnman@gmail.com>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/phy/marvell.c diff | blob | history
kernel
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