net: dsa: mv88e6xxx: lock mutex when freeing IRQs
authorVivien Didelot <vivien.didelot@savoirfairelinux.com>
Tue, 26 Sep 2017 18:57:21 +0000 (14:57 -0400)
committerDavid S. Miller <davem@davemloft.net>
Thu, 28 Sep 2017 17:28:24 +0000 (10:28 -0700)
commitb32ca44a88def4bf92626d8777494c6f14638c42
tree6204f56250e49dd6d73f31815795ccac1a2d5704
parentda7c9561015e93d10fe6aab73e9288e0d09d65a6
net: dsa: mv88e6xxx: lock mutex when freeing IRQs

mv88e6xxx_g2_irq_free locks the registers mutex, but not
mv88e6xxx_g1_irq_free, which results in a stack trace from
assert_reg_lock when unloading the mv88e6xxx module. Fix this.

Fixes: 3460a5770ce9 ("net: dsa: mv88e6xxx: Mask g1 interrupts and free interrupt")
Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/net/dsa/mv88e6xxx/chip.c