util/uri: do not check argument of uri_free()

uri_free() checks if its argument is NULL in uri_clean() and g_free().
There is no need to check the argument before the call.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Message-Id: <20210629063602.4239-1-xypron.glpk@gmx.de>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Reviewed-by: Richard W.M. Jones <rjones@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

block/nfs.c

@@ -147,9 +147,7 @@ static int nfs_parse_uri(const char *filename, QDict *options, Error **errp)
     if (qp) {
         query_params_free(qp);
     }
-    if (uri) {
-        uri_free(uri);
-    }
+    uri_free(uri);
     return ret;
 }
 

block/ssh.c

@@ -237,9 +237,7 @@ static int parse_uri(const char *filename, QDict *options, Error **errp)
     return 0;
 
  err:
-    if (uri) {
-      uri_free(uri);
-    }
+    uri_free(uri);
     return -EINVAL;
 }
 

util/uri.c

@@ -1340,7 +1340,7 @@ static void uri_clean(URI *uri)
 
 /**
  * uri_free:
- * @uri:  pointer to an URI
+ * @uri:  pointer to an URI, NULL is ignored
  *
  * Free up the URI struct
  */
@@ -1939,15 +1939,9 @@ char *uri_resolve(const char *uri, const char *base)
     val = uri_to_string(res);
 
 done:
-    if (ref != NULL) {
-        uri_free(ref);
-    }
-    if (bas != NULL) {
-        uri_free(bas);
-    }
-    if (res != NULL) {
-        uri_free(res);
-    }
+    uri_free(ref);
+    uri_free(bas);
+    uri_free(res);
     return val;
 }
 
@@ -2190,12 +2184,8 @@ char *uri_resolve_relative(const char *uri, const char *base)
     if (remove_path != 0) {
         ref->path = NULL;
     }
-    if (ref != NULL) {
-        uri_free(ref);
-    }
-    if (bas != NULL) {
-        uri_free(bas);
-    }
+    uri_free(ref);
+    uri_free(bas);
 
     return val;
 }