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-rw-r--r--udev-add.c17
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;
}