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staging: mt7621-eth: Lock is never unlocked. 

mtk_phy_link_adjust takes a spinlock and disables
interrupts, but never unlocks.
This can leave interrupts disabled on one CPU and
various things stop working.

Signed-off-by: NeilBrown <neil@brown.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
NeilBrown 2018-05-04 14:58:35 +10:00 committed by Greg Kroah-Hartman
parent b06b46059b
commit 61749d183e
1 changed files with 1 additions and 0 deletions
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1
drivers/staging/mt7621-eth/mdio.c
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@ -57,6 +57,7 @@ static void mtk_phy_link_adjust(struct net_device *dev)
} }
} }
} }
spin_unlock_irqrestore(&eth->phy->lock, flags);
} }
int mtk_connect_phy_node(struct mtk_eth *eth, struct mtk_mac *mac, int mtk_connect_phy_node(struct mtk_eth *eth, struct mtk_mac *mac,