[PATCH] s390: minor qeth network driver fixes

[patch 2/3] s390: minor qeth network driver fixes

From: Frank Pavlic <pavlic@de.ibm.com>
	- use netif_carrier_on/off calls to tell network stack
	  link carrier state
	- fix possible kfree on NULL
	- PDU_LEN2 is at offset 0x29 otherwise OSN chpid won't initialize

Signed-off-by: Frank Pavlic <pavlic@de.ibm.com>

diffstat:
 qeth_eddp.c |    3 ++-
 qeth_main.c |   17 +++++++----------
 qeth_mpc.h  |    2 +-
 3 files changed, 10 insertions(+), 12 deletions(-)
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>
diff --git a/drivers/s390/net/qeth_mpc.h b/drivers/s390/net/qeth_mpc.h
index 5f71486..00c7178 100644
--- a/drivers/s390/net/qeth_mpc.h
+++ b/drivers/s390/net/qeth_mpc.h
@@ -21,7 +21,7 @@
 #define IPA_PDU_HEADER_SIZE	0x40
 #define QETH_IPA_PDU_LEN_TOTAL(buffer) (buffer+0x0e)
 #define QETH_IPA_PDU_LEN_PDU1(buffer) (buffer+0x26)
-#define QETH_IPA_PDU_LEN_PDU2(buffer) (buffer+0x2a)
+#define QETH_IPA_PDU_LEN_PDU2(buffer) (buffer+0x29)
 #define QETH_IPA_PDU_LEN_PDU3(buffer) (buffer+0x3a)
 
 extern unsigned char IPA_PDU_HEADER[];