start: coding style fixes

src/lxc/start.c

@@ -1529,30 +1529,33 @@ static inline int do_share_ns(void *arg)
 	return 0;
 }
 
-static int lxc_setup_shmount(struct lxc_conf *conf) {
+static int lxc_setup_shmount(struct lxc_conf *conf)
+{
 	size_t len_cont;
 	char *full_cont_path;
 	int ret = -1;
 
-	/* Construct the shmount path under the container root */
-	/* +1 for slash */
+	/* Construct the shmount path under the container root. */
 	len_cont = strlen(conf->rootfs.mount) + 1 + strlen(conf->shmount.path_cont);
 	/* +1 for the terminating '\0' */
 	full_cont_path = malloc(len_cont + 1);
-	if(!full_cont_path) {
+	if (!full_cont_path) {
 		SYSERROR("Not enough memory");
 		return -ENOMEM;
 	}
-	ret = snprintf(full_cont_path, len_cont + 1, "%s/%s", conf->rootfs.mount, conf->shmount.path_cont);
+
+	ret = snprintf(full_cont_path, len_cont + 1, "%s/%s",
+		       conf->rootfs.mount, conf->shmount.path_cont);
 	if (ret < 0 || ret >= len_cont + 1) {
 		SYSERROR("Failed to create filename");
 		free(full_cont_path);
 		return -1;
 	}
 
-	/* Check if shmount point is already set up */
+	/* Check if shmount point is already set up. */
 	if (is_shared_mountpoint(conf->shmount.path_host)) {
-		INFO("Path \"%s\" is already MS_SHARED. Reusing", conf->shmount.path_host);
+		INFO("Path \"%s\" is already MS_SHARED. Reusing",
+		     conf->shmount.path_host);
 		free(full_cont_path);
 		return 0;
 	}
@@ -1560,7 +1563,8 @@ static int lxc_setup_shmount(struct lxc_conf *conf) {
 	/* Create host and cont mount paths */
 	ret = mkdir_p(conf->shmount.path_host, 0711);
 	if (ret < 0 && errno != EEXIST) {
-		SYSERROR("Failed to create directory \"%s\"", conf->shmount.path_host);
+		SYSERROR("Failed to create directory \"%s\"",
+			 conf->shmount.path_host);
 		free(full_cont_path);
 		return ret;
 	}
@@ -1573,22 +1577,23 @@ static int lxc_setup_shmount(struct lxc_conf *conf) {
 	}
 
 	/* Prepare host mountpoint */
-	ret = mount("tmpfs", conf->shmount.path_host, "tmpfs",
-				0, "size=100k,mode=0711");
+	ret = mount("tmpfs", conf->shmount.path_host, "tmpfs", 0,
+		    "size=100k,mode=0711");
 	if (ret < 0) {
 		SYSERROR("Failed to mount \"%s\"", conf->shmount.path_host);
 		free(full_cont_path);
 		return ret;
 	}
+
 	ret = mount(conf->shmount.path_host, conf->shmount.path_host, "none",
-				MS_REC | MS_SHARED, "");
+		    MS_REC | MS_SHARED, "");
 	if (ret < 0) {
 		SYSERROR("Failed to make shared \"%s\"", conf->shmount.path_host);
 		free(full_cont_path);
 		return ret;
 	}
 
-	INFO("Made shared mount point \"%s\"", conf->shmount.path_host);
+	INFO("Setup shared mount point \"%s\"", conf->shmount.path_host);
 	free(full_cont_path);
 	return 0;
 }
@@ -1670,12 +1675,12 @@ static int lxc_spawn(struct lxc_handler *handler)
 		}
 	}
 
-	if (conf->shmount.path_host && !conf->shmount.path_cont) {
-			ERROR("Missing the container side path to the shared mount point");
+	if (conf->shmount.path_host) {
+		if (!conf->shmount.path_cont) {
 			lxc_sync_fini(handler);
 			return -1;
-	}
-	if (conf->shmount.path_host) {
+		}
+
 		ret = lxc_setup_shmount(conf);
 		if (ret < 0) {
 			ERROR("Failed to setup shared mount point");