In the failure path, nq->bar_reg_iomem gets accessed without
initializing. Avoid this by calling the bnxt_qplib_nq_stop_irq
only if the initialization is complete.
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Fixes: 6e04b1035689 ("RDMA/bnxt_re: Fix broken RoCE driver due to recent L2 driver changes")
Signed-off-by: Selvin Xavier <selvin.xavier@xxxxxxxxxxxx>
Cc: dan.carpenter@xxxxxxxxxx
---
drivers/infiniband/hw/bnxt_re/qplib_fp.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
index e141689..b98b054 100644
--- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c
+++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c
@@ -358,7 +358,8 @@ void bnxt_qplib_disable_nq(struct bnxt_qplib_nq *nq)
}
/* Make sure the HW is stopped! */
- bnxt_qplib_nq_stop_irq(nq, true);
+ if (nq->requested)
+ bnxt_qplib_nq_stop_irq(nq, true);
if (nq->bar_reg_iomem)
iounmap(nq->bar_reg_iomem);
--
2.5.5
