1 files changed, 18 insertions, 29 deletions

diff --git a/src/sysusers/sysusers.c b/src/sysusers/sysusers.c
index d7ba482834..3a92d120d2 100644
--- a/src/sysusers/sysusers.c
+++ b/src/sysusers/sysusers.c
@@ -704,8 +704,7 @@ static int write_files(void) {
                                 goto finish;
                         }
 
-                        free(group_tmp);
-                        group_tmp = NULL;
+                        group_tmp = mfree(group_tmp);
                 }
                 if (gshadow) {
                         if (rename(gshadow_tmp, gshadow_path) < 0) {
@@ -713,8 +712,7 @@ static int write_files(void) {
                                 goto finish;
                         }
 
-                        free(gshadow_tmp);
-                        gshadow_tmp = NULL;
+                        gshadow_tmp = mfree(gshadow_tmp);
                 }
         }
 
@@ -724,8 +722,7 @@ static int write_files(void) {
                         goto finish;
                 }
 
-                free(passwd_tmp);
-                passwd_tmp = NULL;
+                passwd_tmp = mfree(passwd_tmp);
         }
         if (shadow) {
                 if (rename(shadow_tmp, shadow_path) < 0) {
@@ -733,8 +730,7 @@ static int write_files(void) {
                         goto finish;
                 }
 
-                free(shadow_tmp);
-                shadow_tmp = NULL;
+                shadow_tmp = mfree(shadow_tmp);
         }
 
         r = 0;
@@ -891,8 +887,10 @@ static int add_user(Item *i) {
                         i->uid = p->pw_uid;
                         i->uid_set = true;
 
-                        free(i->description);
-                        i->description = strdup(p->pw_gecos);
+                        r = free_and_strdup(&i->description, p->pw_gecos);
+                        if (r < 0)
+                                return log_oom();
+
                         return 0;
                 }
                 if (!IN_SET(errno, 0, ENOENT))
@@ -1149,9 +1147,8 @@ static int process_item(Item *i) {
                         }
 
                         if (i->gid_path) {
-                                free(j->gid_path);
-                                j->gid_path = strdup(i->gid_path);
-                                if (!j->gid_path)
+                                r = free_and_strdup(&j->gid_path, i->gid_path);
+                                if (r < 0)
                                         return log_oom();
                         }
 
@@ -1409,10 +1406,8 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
         }
 
         /* Verify name */
-        if (isempty(name) || streq(name, "-")) {
-                free(name);
-                name = NULL;
-        }
+        if (isempty(name) || streq(name, "-"))
+                name = mfree(name);
 
         if (name) {
                 r = specifier_printf(name, specifier_table, NULL, &resolved_name);
@@ -1428,10 +1423,8 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
         }
 
         /* Verify id */
-        if (isempty(id) || streq(id, "-")) {
-                free(id);
-                id = NULL;
-        }
+        if (isempty(id) || streq(id, "-"))
+                id = mfree(id);
 
         if (id) {
                 r = specifier_printf(id, specifier_table, NULL, &resolved_id);
@@ -1442,10 +1435,8 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
         }
 
         /* Verify description */
-        if (isempty(description) || streq(description, "-")) {
-                free(description);
-                description = NULL;
-        }
+        if (isempty(description) || streq(description, "-"))
+                description = mfree(description);
 
         if (description) {
                 if (!valid_gecos(description)) {
@@ -1455,10 +1446,8 @@ static int parse_line(const char *fname, unsigned line, const char *buffer) {
         }
 
         /* Verify home */
-        if (isempty(home) || streq(home, "-")) {
-                free(home);
-                home = NULL;
-        }
+        if (isempty(home) || streq(home, "-"))
+                home = mfree(home);
 
         if (home) {
                 if (!valid_home(home)) {