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Commit 5e859bf5 authored by Vasily Gorbik's avatar Vasily Gorbik Committed by Greg Kroah-Hartman
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s390/ipl: ensure loadparm valid flag is set 



commit 15deb080a6087b73089139569558965750e69d67 upstream.

When loadparm is set in reipl parm block, the kernel should also set
DIAG308_FLAGS_LP_VALID flag.

This fixes loadparm ignoring during z/VM fcp -> ccw reipl and kvm direct
boot -> ccw reipl.

Cc: <stable@vger.kernel.org>
Reviewed-by: default avatarHeiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent c205d6bf

arch/s390/kernel/ipl.c

+1 −0
Original line number Diff line number Diff line
@@ -808,6 +808,7 @@ static ssize_t reipl_generic_loadparm_store(struct ipl_parameter_block *ipb, 
	/* copy and convert to ebcdic */

	memcpy(ipb->hdr.loadparm, buf, lp_len);

	ASCEBC(ipb->hdr.loadparm, LOADPARM_LEN);

	ipb->hdr.flags |= DIAG308_FLAGS_LP_VALID;

	return len;

}