diff options
| author | kay.sievers@vrfy.org <kay.sievers@vrfy.org> | 2005-02-18 03:30:03 +0100 |
|---|---|---|
| committer | Greg KH <gregkh@suse.de> | 2005-04-26 23:36:13 -0700 |
| commit | 1cec1c241600fc11121f9504bc9e95836c03bd9c (patch) | |
| tree | 7ce2ccaa9ea5c15c3289726c2c2698ae8762f031 /udev_remove.c | |
| parent | 3f930093f9ac79dca6bcc2dcbc8714c143709478 (diff) | |
[PATCH] remove the device node only if the major/minor number matches
Diffstat (limited to 'udev_remove.c')
| -rw-r--r-- | udev_remove.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/udev_remove.c b/udev_remove.c index 172ec12690..baafdea51a 100644 --- a/udev_remove.c +++ b/udev_remove.c @@ -71,6 +71,7 @@ static int delete_node(struct udevice *udev) { char filename[NAME_SIZE]; char partitionname[NAME_SIZE]; + struct stat stats; int retval; int i; char *pos; @@ -80,6 +81,15 @@ static int delete_node(struct udevice *udev) snprintf(filename, NAME_SIZE, "%s/%s", udev_root, udev->name); filename[NAME_SIZE-1] = '\0'; + dbg("checking major/minor of device node '%s'", filename); + if (stat(filename, &stats) != 0) + return -1; + + if (udev->major && stats.st_rdev != makedev(udev->major, udev->minor)) { + info("device node '%s' points to a different device, skip removal", filename); + return -1; + } + info("removing device node '%s'", filename); retval = unlink_secure(filename); if (retval) |