Implement review feedback

src/Symfony/Component/Lock/CHANGELOG.md

@@ -6,6 +6,7 @@ CHANGELOG
 
  * RedisStore uses `EVALSHA` over `EVAL` when evaluating LUA scripts
  * Add `NullStore`
+
 7.0
 ---
 

src/Symfony/Component/Lock/Store/RedisStore.php

@@ -234,7 +234,7 @@ private function evaluate(string $script, string $resource, array $args): mixed
             $this->redis->clearLastError();
 
             $result = $this->redis->evalSha($scriptSha, array_merge([$resource], $args), 1);
-            if (null !== ($err = $this->redis->getLastError()) && self::NO_SCRIPT_ERROR_MESSAGE === $err) {
+            if (self::NO_SCRIPT_ERROR_MESSAGE === $err = $this->redis->getLastError()) {
                 $this->redis->clearLastError();
 
                 if ($this->redis instanceof \RedisCluster) {
@@ -245,7 +245,7 @@ private function evaluate(string $script, string $resource, array $args): mixed
                     $this->redis->script('LOAD', $script);
                 }
 
-                if (null !== ($err = $this->redis->getLastError())) {
+                if (null !== $err = $this->redis->getLastError()) {
                     throw new LockStorageException($err);
                 }
 
@@ -263,12 +263,12 @@ private function evaluate(string $script, string $resource, array $args): mixed
             $client = $this->redis->_instance($this->redis->_target($resource));
             $client->clearLastError();
             $result = $client->evalSha($scriptSha, array_merge([$resource], $args), 1);
-            if (null !== ($err = $client->getLastError()) && self::NO_SCRIPT_ERROR_MESSAGE === $err) {
+            if (self::NO_SCRIPT_ERROR_MESSAGE === $err = $client->getLastError()) {
                 $client->clearLastError();
 
                 $client->script('LOAD', $script);
 
-                if (null !== ($err = $client->getLastError())) {
+                if (null !== $err = $client->getLastError()) {
                     throw new LockStorageException($err);
                 }