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authorDave Olson <dave.olson@qlogic.com>2008-12-05 11:14:38 -0800
committerRoland Dreier <rolandd@cisco.com>2008-12-05 11:14:38 -0800
commit3d0890985ac4dff781b7feba19fedda547314749 (patch)
tree4e18e4e70c32abf9450c223db97affb1d05dbeeb /drivers/infiniband/hw/ipath/ipath_init_chip.c
parent1bf7724e093cf3071d943d53bfa4de8b8e50426b (diff)
IB/ipath: Add locking for interrupt use of ipath_pd contexts vs free
Fixes timing race resulting in panic. Not a performance sensitive path. Signed-off-by: Dave Olson <dave.olson@qlogic.com> Signed-off-by: Roland Dreier <rolandd@cisco.com>
Diffstat (limited to 'drivers/infiniband/hw/ipath/ipath_init_chip.c')
-rw-r--r--drivers/infiniband/hw/ipath/ipath_init_chip.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c
index 3e5baa43fc8..64aeefbd2a5 100644
--- a/drivers/infiniband/hw/ipath/ipath_init_chip.c
+++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c
@@ -229,6 +229,7 @@ static int init_chip_first(struct ipath_devdata *dd)
spin_lock_init(&dd->ipath_kernel_tid_lock);
spin_lock_init(&dd->ipath_user_tid_lock);
spin_lock_init(&dd->ipath_sendctrl_lock);
+ spin_lock_init(&dd->ipath_uctxt_lock);
spin_lock_init(&dd->ipath_sdma_lock);
spin_lock_init(&dd->ipath_gpio_lock);
spin_lock_init(&dd->ipath_eep_st_lock);