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Commit 3b484ec6 authored by Sebastian Ott's avatar Sebastian Ott Committed by Martin Schwidefsky
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[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: default avatarSebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 50c8e31f

drivers/s390/cio/chsc.c

+2 −5
Original line number Diff line number Diff line
@@ -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;

}