Eugene Crosser 511c24456a qeth: don't query for info if hardware not ready. ...

When qeth device is queried for ethtool data, hardware operation
is performed to extract the necessary information from the card.
If the card is not online at the moment (e.g. it is undergoing
recovery), this operation produces undesired effects like
temporarily freezing the system. This patch prevents execution
of the hardware query operation when the card is not online.
In such case, ioctl() operation returns error with errno ENODEV.

Reviewed-by: Ursula Braun <ursula.braun@de.ibm.com>
Signed-off-by: Eugene Crosser <Eugene.Crosser@ru.ibm.com>
Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2014-09-02 13:54:06 -07:00

..

claw.c

net: set name_assign_type in alloc_netdev()

2014-07-15 16:12:48 -07:00

claw.h

s390/s390dbf: use debug_level_enabled() where applicable

2013-10-24 17:16:54 +02:00

ctcm_dbug.c

s390/s390dbf: use debug_level_enabled() where applicable

2013-10-24 17:16:54 +02:00

ctcm_dbug.h

s390/comments: unify copyright messages and remove file names

2012-07-20 11:15:04 +02:00

ctcm_fsms.c

drivers/s390/net: removes unnecessary semicolon

2012-09-24 15:45:17 -04:00

ctcm_fsms.h

s390/comments: unify copyright messages and remove file names

2012-07-20 11:15:04 +02:00

ctcm_main.c

net: set name_assign_type in alloc_netdev()

2014-07-15 16:12:48 -07:00

ctcm_main.h

s390/comments: unify copyright messages and remove file names

2012-07-20 11:15:04 +02:00

ctcm_mpc.c

ctcm: remove BUG_ONs

2012-11-19 14:19:00 -05:00

ctcm_mpc.h

s390/comments: unify copyright messages and remove file names

2012-07-20 11:15:04 +02:00

ctcm_sysfs.c

s390/net: fix format string mismatches

2014-05-30 17:35:23 -07:00

fsm.c

…

fsm.h

atomic: use <linux/atomic.h>

2011-07-26 16:49:47 -07:00

Kconfig

qeth: Update Kconfig wording

2013-01-21 13:51:15 -05:00

lcs.c

s390/net: fix format string mismatches

2014-05-30 17:35:23 -07:00

lcs.h

s390/s390dbf: use debug_level_enabled() where applicable

2013-10-24 17:16:54 +02:00

Makefile

qeth: bridgeport support - basic control

2014-01-15 14:48:01 -08:00

netiucv.c

net: set name_assign_type in alloc_netdev()

2014-07-15 16:12:48 -07:00

qeth_core_main.c

qeth: don't query for info if hardware not ready.

2014-09-02 13:54:06 -07:00

qeth_core_mpc.c

qeth: bridgeport support - address notifications

2014-01-15 14:48:01 -08:00

qeth_core_mpc.h

qeth: Display adjacent switch attributes

2014-07-21 20:21:40 -07:00

qeth_core_sys.c

qeth: Display adjacent switch attributes

2014-07-21 20:21:40 -07:00

qeth_core.h

qeth: don't query for info if hardware not ready.

2014-09-02 13:54:06 -07:00

qeth_l2_main.c

net: set name_assign_type in alloc_netdev()

2014-07-15 16:12:48 -07:00

qeth_l2_sys.c

qeth: don't query for info if hardware not ready.

2014-09-02 13:54:06 -07:00

qeth_l2.h

qeth: bridgeport support - basic control

2014-01-15 14:48:01 -08:00

qeth_l3_main.c

net: set name_assign_type in alloc_netdev()

2014-07-15 16:12:48 -07:00

qeth_l3_sys.c

s390: replace strict_strtoul() with kstrtoul()

2013-08-22 12:20:00 +02:00

qeth_l3.h

s390/comments: unify copyright messages and remove file names

2012-07-20 11:15:04 +02:00

smsgiucv_app.c

Driver core: driver_find() drops reference before returning

2012-01-24 16:00:34 -08:00

smsgiucv.c

smsgiucv: reestablish IUCV path after resume

2012-10-16 14:41:46 -04:00

smsgiucv.h

s390/comments: unify copyright messages and remove file names

2012-07-20 11:15:04 +02:00