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path: root/drivers/infiniband/hw/hfi1/chip.c
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Diffstat (limited to 'drivers/infiniband/hw/hfi1/chip.c')
-rw-r--r--drivers/infiniband/hw/hfi1/chip.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/hfi1/chip.c b/drivers/infiniband/hw/hfi1/chip.c
index e6a60fa59f2b..e6bdd0c1e80a 100644
--- a/drivers/infiniband/hw/hfi1/chip.c
+++ b/drivers/infiniband/hw/hfi1/chip.c
@@ -5944,6 +5944,7 @@ static void is_sendctxt_err_int(struct hfi1_devdata *dd,
u64 status;
u32 sw_index;
int i = 0;
+ unsigned long irq_flags;
sw_index = dd->hw_to_sw[hw_context];
if (sw_index >= dd->num_send_contexts) {
@@ -5953,10 +5954,12 @@ static void is_sendctxt_err_int(struct hfi1_devdata *dd,
return;
}
sci = &dd->send_contexts[sw_index];
+ spin_lock_irqsave(&dd->sc_lock, irq_flags);
sc = sci->sc;
if (!sc) {
dd_dev_err(dd, "%s: context %u(%u): no sc?\n", __func__,
sw_index, hw_context);
+ spin_unlock_irqrestore(&dd->sc_lock, irq_flags);
return;
}
@@ -5978,6 +5981,7 @@ static void is_sendctxt_err_int(struct hfi1_devdata *dd,
*/
if (sc->type != SC_USER)
queue_work(dd->pport->hfi1_wq, &sc->halt_work);
+ spin_unlock_irqrestore(&dd->sc_lock, irq_flags);
/*
* Update the counters for the corresponding status bits.