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authorDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:03:21 +0100
committerDavid Woodhouse <David.Woodhouse@intel.com>2012-10-09 15:04:25 +0100
commitffe315012510165ce82e4dd4767f0a5dba9edbf7 (patch)
treef601cd980af9d0ced5ca9aedecef4fa0d2ca0e15 /drivers/s390/cio/device.c
parente2d3a35ee427aaba99b6c68a56609ce276c51270 (diff)
parent4a8e43feeac7996b8de2d5b2823e316917493df4 (diff)
Merge tag 'disintegrate-mtd-20121009' of git://git.infradead.org/users/dhowells/linux-headers
UAPI Disintegration 2012-10-09 Conflicts: MAINTAINERS arch/arm/configs/bcmring_defconfig arch/arm/mach-imx/clk-imx51-imx53.c drivers/mtd/nand/Kconfig drivers/mtd/nand/bcm_umi_nand.c drivers/mtd/nand/nand_bcm_umi.h drivers/mtd/nand/orion_nand.c
Diffstat (limited to 'drivers/s390/cio/device.c')
-rw-r--r--drivers/s390/cio/device.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index ed25c8740a9..fc916f5d731 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -1426,6 +1426,8 @@ static enum io_sch_action sch_get_action(struct subchannel *sch)
return IO_SCH_REPROBE;
if (cdev->online)
return IO_SCH_VERIFY;
+ if (cdev->private->state == DEV_STATE_NOT_OPER)
+ return IO_SCH_UNREG_ATTACH;
return IO_SCH_NOP;
}
@@ -1519,11 +1521,14 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process)
goto out;
break;
case IO_SCH_UNREG_ATTACH:
+ spin_lock_irqsave(sch->lock, flags);
if (cdev->private->flags.resuming) {
/* Device will be handled later. */
rc = 0;
- goto out;
+ goto out_unlock;
}
+ sch_set_cdev(sch, NULL);
+ spin_unlock_irqrestore(sch->lock, flags);
/* Unregister ccw device. */
ccw_device_unregister(cdev);
break;