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Commit 9adb8c1d authored by Stefan Weinhuber's avatar Stefan Weinhuber Committed by Martin Schwidefsky
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[S390] cio: fix orb initialization in cio_start_key 



The functions cio_tm_start_key and cio_start_key use the same private
orb structure of a subchannel, so the orb needs to be cleared of old
data before it is used again. A respective memset is missing from
cio_start_key and hereby added.

Signed-off-by: default avatarStefan Weinhuber <wein@de.ibm.com>
Acked-by: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent f26fd5d6

drivers/s390/cio/cio.c

+1 −0
Original line number Original line Diff line number Diff line
@@ -174,6 +174,7 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */ 
	CIO_TRACE_EVENT(4, sch->dev.bus_id);

	CIO_TRACE_EVENT(4, sch->dev.bus_id);





	orb = &to_io_private(sch)->orb;

	orb = &to_io_private(sch)->orb;

	memset(orb, 0, sizeof(union orb));

	/* sch is always under 2G. */

	/* sch is always under 2G. */

	orb->cmd.intparm = (u32)(addr_t)sch;

	orb->cmd.intparm = (u32)(addr_t)sch;

	orb->cmd.fmt = 1;

	orb->cmd.fmt = 1;