[S390] cio: update descriptor in chsc_chp_vary
Update the channel path descriptor at the beginning of to the
vary_on operation.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 27aca39..44d7cc2 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -495,6 +495,7 @@
*/
int chsc_chp_vary(struct chp_id chpid, int on)
{
+ struct channel_path *chp = chpid_to_chp(chpid);
struct chp_link link;
memset(&link, 0, sizeof(struct chp_link));
@@ -504,11 +505,12 @@
/*
* Redo PathVerification on the devices the chpid connects to
*/
-
- if (on)
+ if (on) {
+ /* Try to update the channel path descritor. */
+ chsc_determine_base_channel_path_desc(chpid, &chp->desc);
for_each_subchannel_staged(s390_subchannel_vary_chpid_on,
__s390_vary_chpid_on, &link);
- else
+ } else
for_each_subchannel_staged(s390_subchannel_vary_chpid_off,
NULL, &link);
