diff options
| -rw-r--r-- | udev-add.c | 17 |
1 files changed, 5 insertions, 12 deletions
diff --git a/udev-add.c b/udev-add.c index 45ffbf81b5..54af7e4d77 100644 --- a/udev-add.c +++ b/udev-add.c @@ -49,30 +49,23 @@ static char sysfs_path[SYSFS_PATH_MAX]; */ static int get_major_minor(struct sysfs_class_device *class_dev, int *major, int *minor) { - char temp[3]; - int retval = 0; + int retval = -ENODEV; char *dev; dev = sysfs_get_value_from_attributes(class_dev->directory->attributes, "dev"); if (dev == NULL) - return -ENODEV; + goto exit; dbg("dev = %s", dev); - temp[0] = dev[0]; - temp[1] = dev[1]; - temp[2] = 0x00; - *major = (int)strtol(&temp[0], NULL, 16); - - temp[0] = dev[2]; - temp[1] = dev[3]; - temp[2] = 0x00; - *minor = (int)strtol(&temp[0], NULL, 16); + if (sscanf(dev, "%u:%u", major, minor) != 2) + goto exit; dbg("found major = %d, minor = %d", *major, *minor); retval = 0; +exit: return retval; } |