diff options
| -rw-r--r-- | README | 3 | ||||
| -rw-r--r-- | udev_add.c | 27 |
2 files changed, 14 insertions, 16 deletions
@@ -10,8 +10,7 @@ To use: - Your 2.6 kernel must have had CONFIG_HOTPLUG enabled when it was built. -- Make sure sysfs is mounted. udev will figure out where sysfs is mounted, but - the traditional place for it is at /sys. You can mount it by hand by running: +- Make sure sysfs is mounted at /sys. You can mount it by running: mount -t sysfs none /sys - Make sure you have the latest version of the linux-hotplug scripts. They are diff --git a/udev_add.c b/udev_add.c index 2081e503c7..89af96570f 100644 --- a/udev_add.c +++ b/udev_add.c @@ -52,12 +52,23 @@ int udev_make_node(struct udevice *udev, const char *file, dev_t devt, mode_t mo struct stat stats; int retval = 0; + switch (udev->type) { + case DEV_BLOCK: + mode |= S_IFBLK; + break; + case DEV_CLASS: + mode |= S_IFCHR; + break; + default: + dbg("unknown node type %c\n", udev->type); + return -EINVAL; + } + if (stat(file, &stats) != 0) goto create; /* preserve node with already correct numbers, to not change the inode number */ - if (((stats.st_mode & S_IFMT) == S_IFBLK || (stats.st_mode & S_IFMT) == S_IFCHR) && - (stats.st_rdev == devt)) { + if ((stats.st_mode & S_IFMT) == (mode & S_IFMT) && (stats.st_rdev == devt)) { info("preserve file '%s', cause it has correct dev_t", file); selinux_setfilecon(file, udev->kernel_name, stats.st_mode); goto perms; @@ -69,18 +80,6 @@ int udev_make_node(struct udevice *udev, const char *file, dev_t devt, mode_t mo dbg("already present file '%s' unlinked", file); create: - switch (udev->type) { - case DEV_BLOCK: - mode |= S_IFBLK; - break; - case DEV_CLASS: - mode |= S_IFCHR; - break; - default: - dbg("unknown node type %c\n", udev->type); - return -EINVAL; - } - selinux_setfscreatecon(file, udev->kernel_name, mode); retval = mknod(file, mode, devt); selinux_resetfscreatecon(); |