curvefs/client: fix memory leak of memcached

wuhongsong · wuhongsong · commit cc1780655da2 · 2023-11-06T15:58:28.000+08:00
diff --git a/curvefs/src/client/kvclient/memcache_client.h b/curvefs/src/client/kvclient/memcache_client.h
@@ -169,6 +169,7 @@ class MemCachedClient : public KVClient {
           LOG(ERROR) << "Get key = " << key << " error = " << *errorlog
                      << ", get_value_len = " << value_length
                      << ", expect_value_len = " << length;
+          free(res);
           memcached_free(tcli);
           tcli = nullptr;
         }

Original file line number	Diff line number	Diff line change
`@@ -169,6 +169,7 @@ class MemCachedClient : public KVClient {`
`169`	`169`	`LOG(ERROR) << "Get key = " << key << " error = " << *errorlog`
`170`	`170`	`<< ", get_value_len = " << value_length`
`171`	`171`	`<< ", expect_value_len = " << length;`
	`172`	`+ free(res);`
`172`	`173`	`memcached_free(tcli);`
`173`	`174`	`tcli = nullptr;`
`174`	`175`	`}`