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Commit c9182e0f authored Apr 27, 2007 by Peter Oberparleiter Committed by Martin Schwidefsky Apr 27, 2007

[S390] cio: observe chpid valid flag



Check validity flag of CHPID description data before continuing with
channel-path initialization.

Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

parent e6b6e10a

drivers/s390/cio/chp.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -339,6 +339,10 @@ int chp_new(struct chp_id chpid)
		ret = chsc_determine_channel_path_description(chpid, &chp->desc);
		if (ret)
		goto out_free;
		if ((chp->desc.flags & 0x80) == 0) {
		ret = -ENODEV;
		goto out_free;
		}
		/* Get channel-measurement characteristics. */
		if (css_characteristics_avail && css_chsc_characteristics.scmc
		&& css_chsc_characteristics.secm) {