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>

1 files changed, 16 insertions, 4 deletions

diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c
index 25db27c7bebb..9cab15497f04 100644
--- 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;