cgroup: always keep access mode of 'tasks' and 'cgroup.procs' files in cgroup directo...

[elogind.git] / src / shared / cgroup-label.c

diff --git a/src/shared/cgroup-label.c b/src/shared/cgroup-label.c
index beeeec583020e61b768edf4cdacc484453c747ca..995e4c57cd4fa3f745b0dafa6e6d155c039e6222 100644 (file)
--- a/src/shared/cgroup-label.c
+++ b/src/shared/cgroup-label.c
@@ -37,7 +37,7 @@
 #include "mkdir.h"
 
 int cg_create(const char *controller, const char *path) {
-        char *fs;
+        _cleanup_free_ char *fs = NULL;
         int r;
 
         assert(controller);
@@ -48,19 +48,18 @@ int cg_create(const char *controller, const char *path) {
                 return r;
 
         r = mkdir_parents_label(fs, 0755);
+        if (r < 0)
+                return r;
 
-        if (r >= 0) {
-                if (mkdir(fs, 0755) >= 0)
-                        r = 1;
-                else if (errno == EEXIST)
-                        r = 0;
-                else
-                        r = -errno;
-        }
+        if (mkdir(fs, 0755) < 0) {
 
-        free(fs);
+                if (errno == EEXIST)
+                        return 0;
 
-        return r;
+                return -errno;
+        }
+
+        return 1;
 }
 
 int cg_create_and_attach(const char *controller, const char *path, pid_t pid) {
@@ -70,13 +69,14 @@ int cg_create_and_attach(const char *controller, const char *path, pid_t pid) {
         assert(path);
         assert(pid >= 0);
 
-        if ((r = cg_create(controller, path)) < 0)
+        r = cg_create(controller, path);
+        if (r < 0)
                 return r;
 
-        if ((q = cg_attach(controller, path, pid)) < 0)
+        q = cg_attach(controller, path, pid);
+        if (q < 0)
                 return q;
 
         /* This does not remove the cgroup on failure */
-
         return r;
 }