[PATCH v2 2/7] Recipes.ENRT.ConfigMixins: check the value before calling configure_dev_attribute

[Jan Tluka]

This patch adds checks in CoalescingHWConfigMixin and MTUHWConfigMixin of
the individual mixin parameters and skips their configuration if they are None.

Signed-off-by: Jan Tluka <jtluka(a)redhat.com&gt;
---
 .../ConfigMixins/CoalescingHWConfigMixin.py   | 21 ++++++++-----------
 .../ENRT/ConfigMixins/MTUHWConfigMixin.py     |  8 ++++---
 2 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/lnst/Recipes/ENRT/ConfigMixins/CoalescingHWConfigMixin.py
b/lnst/Recipes/ENRT/ConfigMixins/CoalescingHWConfigMixin.py
index 0e8807af..affad398 100644
--- a/lnst/Recipes/ENRT/ConfigMixins/CoalescingHWConfigMixin.py
+++ b/lnst/Recipes/ENRT/ConfigMixins/CoalescingHWConfigMixin.py
@@ -32,18 +32,15 @@ class CoalescingHWConfigMixin(BaseHWConfigMixin):
     def hw_config(self, config):
         super().hw_config(config)
 
-        self._configure_dev_attribute(
-            config,
-            self.coalescing_hw_config_dev_list,
-            "adaptive_rx_coalescing",
-            getattr(self.params, "adaptive_rx_coalescing", None),
-        )
-        self._configure_dev_attribute(
-            config,
-            self.coalescing_hw_config_dev_list,
-            "adaptive_tx_coalescing",
-            getattr(self.params, "adaptive_tx_coalescing", None),
-        )
+        for param in ["adaptive_rx_coalescing",
"adaptive_tx_coalescing"]:
+            param_value = getattr(self.params, param, None)
+            if param_value is not None:
+                self._configure_dev_attribute(
+                    config,
+                    self.coalescing_hw_config_dev_list,
+                    param,
+                    param_value
+                )
 
     def describe_hw_config(self, config):
         desc = super().describe_hw_config(config)
diff --git a/lnst/Recipes/ENRT/ConfigMixins/MTUHWConfigMixin.py
b/lnst/Recipes/ENRT/ConfigMixins/MTUHWConfigMixin.py
index cbd7d62e..e24ec320 100644
--- a/lnst/Recipes/ENRT/ConfigMixins/MTUHWConfigMixin.py
+++ b/lnst/Recipes/ENRT/ConfigMixins/MTUHWConfigMixin.py
@@ -26,9 +26,11 @@ class MTUHWConfigMixin(BaseHWConfigMixin):
     def hw_config(self, config):
         super().hw_config(config)
 
-        self._configure_dev_attribute(
-            config, self.mtu_hw_config_dev_list, "mtu", getattr(self.params,
"mtu", None)
-        )
+        mtu_value = getattr(self.params, "mtu", None)
+        if mtu_value is not None:
+            self._configure_dev_attribute(
+                config, self.mtu_hw_config_dev_list, "mtu", mtu_value
+            )
 
     def describe_hw_config(self, config):
         desc = super().describe_hw_config(config)
-- 
2.21.1