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zdev: Trigger generic_ccw devices on any kernel module loads.

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Generic CCW device can use any driver, and the value of the driver is
not known ahead of time. To avoid the race between loading and binding
a kernel module, and devices added - retrigger generic-ccw devices on
any kernel module load.

Fixes: https://github.com/ibm-s390-tools/s390-tools/issues/37
Link: https://bugs.launchpad.net/ubuntu-z-systems/+bug/1794308
Closes: https://github.com/ibm-s390-tools/s390-tools/pull/45

Signed-off-by: Dimitri John Ledkov <xnox@ubuntu.com>
Acked-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Dimitri John Ledkov
2018-10-16 10:15:02 +01:00
committed by Jan Höppner
parent 35348c302b
commit 07b11982e3
3 changed files with 4 additions and 1 deletions
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zdev/src/udev_ccw.c
+1 -1
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@@ -140,7 +140,7 @@ exit_code_t udev_ccw_write_device(struct device *dev, bool autoconf)
{
struct subtype *st = dev->subtype;
struct ccw_subtype_data *data = st->data;
const char *type = st->name, *drv = data->ccwdrv, *id = dev->id;
const char *type = st->name, *drv = data->any_driver ? "*" : data->ccwdrv, *id = dev->id;
struct device_state *state = autoconf ? &dev->autoconf :
&dev->persistent;
char *path, *cfg_label = NULL, *end_label = NULL;