tree-wide: make use of the fact that strv_free() returns NULL

Another Coccinelle patch.

1 files changed, 5 insertions, 10 deletions

diff --git a/src/core/load-fragment.c b/src/core/load-fragment.c
index b695c57da8..79dd3075c9 100644
--- a/src/core/load-fragment.c
+++ b/src/core/load-fragment.c
@@ -1888,8 +1888,7 @@ int config_parse_unit_env_file(const char *unit,
 
         if (isempty(rvalue)) {
                 /* Empty assignment frees the list */
-                strv_free(*env);
-                *env = NULL;
+                *env = strv_free(*env);
                 return 0;
         }
 
@@ -1937,8 +1936,7 @@ int config_parse_environ(const char *unit,
 
         if (isempty(rvalue)) {
                 /* Empty assignment resets the list */
-                strv_free(*env);
-                *env = NULL;
+                *env = strv_free(*env);
                 return 0;
         }
 
@@ -2245,8 +2243,7 @@ int config_parse_documentation(const char *unit,
 
         if (isempty(rvalue)) {
                 /* Empty assignment resets the list */
-                strv_free(u->documentation);
-                u->documentation = NULL;
+                u->documentation = strv_free(u->documentation);
                 return 0;
         }
 
@@ -3011,8 +3008,7 @@ int config_parse_runtime_directory(
 
         if (isempty(rvalue)) {
                 /* Empty assignment resets the list */
-                strv_free(*rt);
-                *rt = NULL;
+                *rt = strv_free(*rt);
                 return 0;
         }
 
@@ -3140,8 +3136,7 @@ int config_parse_namespace_path_strv(
 
         if (isempty(rvalue)) {
                 /* Empty assignment resets the list */
-                strv_free(*sv);
-                *sv = NULL;
+                *sv = strv_free(*sv);
                 return 0;
         }