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authorStefan Haberland <sth@linux.vnet.ibm.com>2017-01-25 14:08:20 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2017-01-31 10:47:08 +0100
commitdefc2a9b9899511445cfbaa2c3a6509964b71207 (patch)
tree43a5eaf236aacb0223560c017273b900eb5f18e9 /drivers/s390
parent34525e1f7e8dc47834b52d19b02c94b250df6f1f (diff)
downloadlinux-defc2a9b9899511445cfbaa2c3a6509964b71207.tar.bz2
s390/dasd: allow 0 for path_threshold attribute
Allow 0 as valid input for the path_threshold attribute to deactivate the IFCC/CCC error handling. Signed-off-by: Stefan Haberland <sth@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390')
-rw-r--r--drivers/s390/block/dasd_devmap.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/drivers/s390/block/dasd_devmap.c b/drivers/s390/block/dasd_devmap.c
index 041bdc4429c1..1164b51d09f3 100644
--- a/drivers/s390/block/dasd_devmap.c
+++ b/drivers/s390/block/dasd_devmap.c
@@ -1518,14 +1518,12 @@ dasd_path_threshold_store(struct device *dev, struct device_attribute *attr,
if (IS_ERR(device))
return -ENODEV;
- if ((kstrtoul(buf, 10, &val) != 0) ||
- (val > DASD_THRHLD_MAX) || val == 0) {
+ if (kstrtoul(buf, 10, &val) != 0 || val > DASD_THRHLD_MAX) {
dasd_put_device(device);
return -EINVAL;
}
spin_lock_irqsave(get_ccwdev_lock(to_ccwdev(dev)), flags);
- if (val)
- device->path_thrhld = val;
+ device->path_thrhld = val;
spin_unlock_irqrestore(get_ccwdev_lock(to_ccwdev(dev)), flags);
dasd_put_device(device);
return count;