cgroups: remove unused conf argument

src/lxc/cgroups/cgfsng.c

@@ -3496,14 +3496,13 @@ struct cgroup_ops *cgfsng_ops_init(struct lxc_conf *conf)
 }
 
 /* Connects to command socket therefore isn't callable from command handler. */
-int cgroup_get(struct lxc_conf *conf,
-	       const char *name, const char *lxcpath,
+int cgroup_get(const char *name, const char *lxcpath,
 	       const char *filename, char *buf, size_t len)
 {
 	__do_close int unified_fd = -EBADF;
 	ssize_t ret;
 
-	if (!conf || is_empty_string(filename) || is_empty_string(name) ||
+	if (is_empty_string(filename) || is_empty_string(name) ||
 	    is_empty_string(lxcpath))
 		return ret_errno(EINVAL);
 
@@ -3522,13 +3521,13 @@ int cgroup_get(struct lxc_conf *conf,
 }
 
 /* Connects to command socket therefore isn't callable from command handler. */
-int cgroup_set(struct lxc_conf *conf, const char *name, const char *lxcpath,
+int cgroup_set(const char *name, const char *lxcpath,
 	       const char *filename, const char *value)
 {
 	__do_close int unified_fd = -EBADF;
 	ssize_t ret;
 
-	if (!conf || is_empty_string(filename) || is_empty_string(value) ||
+	if (is_empty_string(filename) || is_empty_string(value) ||
 	    is_empty_string(name) || is_empty_string(lxcpath))
 		return ret_errno(EINVAL);
 
@@ -3593,7 +3592,7 @@ static int __cgroup_freeze(int unified_fd,
 	return log_trace(0, "Container now %s", (state_num == 1) ? "frozen" : "unfrozen");
 }
 
-bool cgroup_freeze(struct lxc_conf *conf, const char *name, const char *lxcpath, int timeout)
+bool cgroup_freeze(const char *name, const char *lxcpath, int timeout)
 {
 	__do_close int unified_fd = -EBADF;
 	int ret;
@@ -3610,7 +3609,7 @@ bool cgroup_freeze(struct lxc_conf *conf, const char *name, const char *lxcpath,
 	return ret == 0;
 }
 
-bool cgroup_unfreeze(struct lxc_conf *conf, const char *name, const char *lxcpath, int timeout)
+bool cgroup_unfreeze(const char *name, const char *lxcpath, int timeout)
 {
 	__do_close int unified_fd = -EBADF;
 	int ret;

src/lxc/cgroups/cgroup.h

@@ -191,16 +191,12 @@ __hidden extern void prune_init_scope(char *cg);
 
 __hidden extern int cgroup_attach(const struct lxc_conf *conf, const char *name,
 				  const char *lxcpath, pid_t pid);
-__hidden extern int cgroup_get(struct lxc_conf *conf, const char *name,
-                               const char *lxcpath, const char *filename,
-                               char *buf, size_t len);
-__hidden extern int cgroup_set(struct lxc_conf *conf, const char *name,
-                               const char *lxcpath, const char *filename,
-                               const char *value);
-__hidden extern bool cgroup_freeze(struct lxc_conf *conf, const char *name,
-                                   const char *lxcpath, int timeout);
-__hidden extern bool cgroup_unfreeze(struct lxc_conf *conf, const char *name,
-                                     const char *lxcpath, int timeout);
+__hidden extern int cgroup_get(const char *name, const char *lxcpath,
+                               const char *filename, char *buf, size_t len);
+__hidden extern int cgroup_set(const char *name, const char *lxcpath,
+                               const char *filename, const char *value);
+__hidden extern bool cgroup_freeze(const char *name, const char *lxcpath, int timeout);
+__hidden extern bool cgroup_unfreeze(const char *name, const char *lxcpath, int timeout);
 
 static inline bool pure_unified_layout(const struct cgroup_ops *ops)
 {

src/lxc/lxccontainer.c

@@ -515,7 +515,7 @@ static bool do_lxcapi_freeze(struct lxc_container *c)
 
 	s = lxc_getstate(c->name, c->config_path);
 	if (s != FROZEN) {
-		bret = cgroup_freeze(c->lxc_conf, c->name, c->config_path, -1);
+		bret = cgroup_freeze(c->name, c->config_path, -1);
 		if (!bret && errno == ENOCGROUP2)
 			bret = lxc_freeze(c->lxc_conf, c->name, c->config_path);
 	}
@@ -535,7 +535,7 @@ static bool do_lxcapi_unfreeze(struct lxc_container *c)
 
 	s = lxc_getstate(c->name, c->config_path);
 	if (s == FROZEN) {
-		bret = cgroup_unfreeze(c->lxc_conf, c->name, c->config_path, -1);
+		bret = cgroup_unfreeze(c->name, c->config_path, -1);
 		if (!bret && errno == ENOCGROUP2)
 			bret = lxc_unfreeze(c->lxc_conf, c->name, c->config_path);
 	}
@@ -3294,7 +3294,7 @@ static bool do_lxcapi_set_cgroup_item(struct lxc_container *c, const char *subsy
 	if (is_stopped(c))
 		return false;
 
-	ret = cgroup_set(c->lxc_conf, c->name, c->config_path, subsys, value);
+	ret = cgroup_set(c->name, c->config_path, subsys, value);
 	if (ret == ENOCGROUP2) {
 		cgroup_ops = cgroup_init(c->lxc_conf);
 		if (!cgroup_ops)
@@ -3319,7 +3319,7 @@ static int do_lxcapi_get_cgroup_item(struct lxc_container *c, const char *subsys
 	if (is_stopped(c))
 		return -1;
 
-	ret = cgroup_get(c->lxc_conf, c->name, c->config_path, subsys, retv, inlen);
+	ret = cgroup_get(c->name, c->config_path, subsys, retv, inlen);
 	if (ret == ENOCGROUP2) {
 		cgroup_ops = cgroup_init(c->lxc_conf);
 		if (!cgroup_ops)