crypto: qat - fix crypto_get_instance_node function

qat_crypto_get_instance_node function needs to handle situation when the
first dev in the list is not started.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c
index 25db27c7bebb7b1851a6aff147b96e07640940b3..9cab15497f0470ee710cc9e1d4df31b43a64b773 100644 (file)
--- a/drivers/crypto/qat/qat_common/qat_crypto.c
+++ b/drivers/crypto/qat/qat_common/qat_crypto.c
@@ -118,11 +118,23 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node)
                        }
                }
        }
                        }
                }
        }

-       if (!accel_dev) {
-               pr_err("QAT: Could not find a device on node %d\n", node);
-               accel_dev = adf_devmgr_get_first();
+       if (!accel_dev)
+               pr_info("QAT: Could not find a device on node %d\n", node);
+
+       /* Get any started device */
+       list_for_each(itr, adf_devmgr_get_head()) {
+               struct adf_accel_dev *tmp_dev;
+
+               tmp_dev = list_entry(itr, struct adf_accel_dev, list);
+
+               if (adf_dev_started(tmp_dev) &&
+                   !list_empty(&tmp_dev->crypto_list)) {
+                       accel_dev = tmp_dev;
+                       break;
+               }

        }
        }

-       if (!accel_dev || !adf_dev_started(accel_dev))
+
+       if (!accel_dev)

                return NULL;
 
        best = ~0;
                return NULL;
 
        best = ~0;