[S390] cio: fix chsc_chp_vary

The functions called by chsc_chp_vary operate on pointers to channel
path ids not channel path links. (This worked by chance since the id
is the first member of the link structure)

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 75c3f1f8fd434301c3ba4a07a632e0ffefa6aac3..a84631a7391d3ed50c680b939129d159fc25daa3 100644 (file)
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -529,10 +529,7 @@ __s390_vary_chpid_on(struct subchannel_id schid, void *data)
 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));
-       link.chpid = chpid;
        /* Wait until previous actions have settled. */
        css_wait_for_slow_path();
        /*
@@ -542,10 +539,10 @@ int chsc_chp_vary(struct chp_id chpid, int 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);
+                                          __s390_vary_chpid_on, &chpid);
        } else
                for_each_subchannel_staged(s390_subchannel_vary_chpid_off,
-                                          NULL, &link);
+                                          NULL, &chpid);
 
        return 0;
 }