tree-wide: use mfree more

3 files changed, 6 insertions, 13 deletions

diff --git a/src/basic/prioq.c b/src/basic/prioq.c
index d2ec516d2..4570b8e4b 100644
--- a/src/basic/prioq.c
+++ b/src/basic/prioq.c
@@ -62,9 +62,7 @@ Prioq* prioq_free(Prioq *q) {
                 return NULL;
 
         free(q->items);
-        free(q);
-
-        return NULL;
+        return mfree(q);
 }
 
 int prioq_ensure_allocated(Prioq **q, compare_func_t compare_func) {
diff --git a/src/basic/string-util.c b/src/basic/string-util.c
index dc7de5dab..6b06e643c 100644
--- a/src/basic/string-util.c
+++ b/src/basic/string-util.c
@@ -610,8 +610,7 @@ char *strreplace(const char *text, const char *old_string, const char *new_strin
         return r;
 
 oom:
-        free(r);
-        return NULL;
+        return mfree(r);
 }
 
 char *strip_tab_ansi(char **ibuf, size_t *_isz) {
@@ -682,8 +681,7 @@ char *strip_tab_ansi(char **ibuf, size_t *_isz) {
 
         if (ferror(f)) {
                 fclose(f);
-                free(obuf);
-                return NULL;
+                return mfree(obuf);
         }
 
         fclose(f);
diff --git a/src/basic/strv.c b/src/basic/strv.c
index baaa72e67..c98e956fd 100644
--- a/src/basic/strv.c
+++ b/src/basic/strv.c
@@ -87,8 +87,7 @@ void strv_clear(char **l) {
 
 char **strv_free(char **l) {
         strv_clear(l);
-        free(l);
-        return NULL;
+        return mfree(l);
 }
 
 char **strv_free_erase(char **l) {
@@ -431,8 +430,7 @@ char *strv_join_quoted(char **l) {
         return buf;
 
  oom:
-        free(buf);
-        return NULL;
+        return mfree(buf);
 }
 #endif // 0
 
@@ -882,8 +880,7 @@ char ***strv_free_free(char ***l) {
         for (i = l; *i; i++)
                 strv_free(*i);
 
-        free(l);
-        return NULL;
+        return mfree(l);
 }
 
 char **strv_skip(char **l, size_t n) {