mlx4_core: Fix potential deadlock in mlx4_eq_int()
authorJack Morgenstein <jackm@dev.mellanox.co.il>
Tue, 27 Nov 2012 16:24:30 +0000 (16:24 +0000)
committerRoland Dreier <roland@purestorage.com>
Thu, 29 Nov 2012 20:14:54 +0000 (12:14 -0800)
commit311f813a2daefcba03f706a692fe0c67888d7622
treeab2b5e480aa0a8cd35d7e63a1346f89b10009c0b
parentceb7decb366591e9b67d70832e07f5d240572a3d
mlx4_core: Fix potential deadlock in mlx4_eq_int()

The slave_state_lock spinlock is used in both interrupt context and
process context, hence irq locking must be used.  Found by lockdep.

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Roland Dreier <roland@purestorage.com>
drivers/net/ethernet/mellanox/mlx4/cmd.c
drivers/net/ethernet/mellanox/mlx4/eq.c