X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=udev.c;h=999d25d4e5351ad3c1ffc845f4f8a36418680e39;hp=ce9b42f30db510519cc6c0d9f7f8883cbd15e4cb;hb=995aec875973e29caf42b037736349fc8839ee40;hpb=81af4e0519498fdbf75ad1e4250bfa3278262bde diff --git a/udev.c b/udev.c index ce9b42f30..999d25d4e 100644 --- a/udev.c +++ b/udev.c @@ -54,8 +54,10 @@ void log_message(int priority, const char *format, ...) } #endif -/* decide if we should manage the whole hotplug event - * for now look if the kernel calls udevsend instead of /sbin/hotplug +/* Decide if we should manage the whole uevent, including multiplexing + * of the hotplug directories. + * For now look if the kernel calls udevsend instead of /sbin/hotplug, + * or the uevent-helper in /proc/sys/kernel/hotplug is empty. */ static int manage_hotplug_event(void) { char helper[256]; @@ -70,13 +72,15 @@ static int manage_hotplug_event(void) { if (fd < 0) return 0; - len = read(fd, helper, 256); + len = read(fd, helper, sizeof(helper)-1); close(fd); if (len < 0) return 0; helper[len] = '\0'; + if (helper[0] == '\0' || helper[0] == '\n') + return 1; if (strstr(helper, "udevsend")) return 1; @@ -215,10 +219,6 @@ int main(int argc, char *argv[], char *envp[]) execute_command(name_loop->name, udev.subsystem); } - /* run dev.d/ scripts if we created/deleted a node or changed a netif name */ - if (udev_dev_d && udev.devname[0] != '\0') - udev_multiplex_directory(&udev, DEVD_DIR, DEVD_SUFFIX); - } else if (udev.type == DEV_DEVICE) { if (strcmp(action, "add") == 0) { /* wait for sysfs */