device create: net: convert device_create to device_create_drvdata

device_create() is race-prone, so use the race-free
device_create_drvdata() instead as device_create() is going away.

Cc: Jeff Garzik <jgarzik@pobox.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c
index 6b1d7a8..739b3ab 100644
--- a/drivers/net/ppp_generic.c
+++ b/drivers/net/ppp_generic.c
@@ -866,7 +866,8 @@
 			err = PTR_ERR(ppp_class);
 			goto out_chrdev;
 		}
-		device_create(ppp_class, NULL, MKDEV(PPP_MAJOR, 0), "ppp");
+		device_create_drvdata(ppp_class, NULL, MKDEV(PPP_MAJOR, 0),
+				      NULL, "ppp");
 	}
 
 out: