RDMA/ocrdma: Do proper cleanup even if FW is in error state
If any mailbox command reports timeout, save the state in the driver,
to prevent issuing any more commands to the HW. Do proper cleanup
even if FW is in error state.
Signed-off-by: Mitesh Ahuja <mitesh.ahuja@emulex.Com>
Signed-off-by: Selvin Xavier <selvin.xavier@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
index 55308b6..5b6e9d9c7 100644
--- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
+++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c
@@ -966,8 +966,12 @@
msecs_to_jiffies(30000));
if (status)
return 0;
- else
+ else {
+ dev->mqe_ctx.fw_error_state = true;
+ pr_err("%s(%d) mailbox timeout: fw not responding\n",
+ __func__, dev->id);
return -1;
+ }
}
/* issue a mailbox command on the MQ */
@@ -979,6 +983,8 @@
struct ocrdma_mbx_rsp *rsp = NULL;
mutex_lock(&dev->mqe_ctx.lock);
+ if (dev->mqe_ctx.fw_error_state)
+ goto mbx_err;
ocrdma_post_mqe(dev, mqe);
status = ocrdma_wait_mqe_cmpl(dev);
if (status)