diff --git a/cinder/volume/drivers/dell_emc/powerstore/client.py b/cinder/volume/drivers/dell_emc/powerstore/client.py
index d307c94f859..04670518bb1 100644
--- a/cinder/volume/drivers/dell_emc/powerstore/client.py
+++ b/cinder/volume/drivers/dell_emc/powerstore/client.py
@@ -85,8 +85,6 @@ class PowerStoreClient(object):
                       payload=None,
                       params=None,
                       log_response_data=True):
-        if not payload:
-            payload = {}
         if not params:
             params = {}
         request_params = {
@@ -94,7 +92,7 @@ class PowerStoreClient(object):
             "verify": self._verify_cert,
             "params": params
         }
-        if method != "GET":
+        if payload and method != "GET":
             request_params["data"] = json.dumps(payload)
         request_url = self.base_url + url
         r = requests.request(method, request_url, **request_params)
diff --git a/releasenotes/notes/powerstore-request-data-validation-6268f2ed07b7bf40.yaml b/releasenotes/notes/powerstore-request-data-validation-6268f2ed07b7bf40.yaml
new file mode 100644
index 00000000000..b238d070c87
--- /dev/null
+++ b/releasenotes/notes/powerstore-request-data-validation-6268f2ed07b7bf40.yaml
@@ -0,0 +1,6 @@
+---
+fixes:
+  - |
+    PowerStore driver `bug #1981068
+    <https://bugs.launchpad.net/cinder/+bug/1981068>`_: Fixed
+    request data validation for the REST client.