Commit 808e4888 authored by Michael Ernst's avatar Michael Ernst Committed by Martin Schwidefsky
Browse files

[S390] cio: memory leak in cio processing 



Allocated kernel memory for locks is not freed in case of subchannel found
to be invalid.

Signed-off-by: default avatarMichael Ernst <mernst@de.ibm.com>
Signed-off-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
parent 1a908c73

drivers/s390/cio/cio.c

+5 −2
Original line number Diff line number Diff line
@@ -577,8 +577,11 @@ cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) 
	}



	/* Initialization for io subchannels. */

	if (!css_sch_is_valid(&sch->schib))

		return -ENODEV;

	if (!css_sch_is_valid(&sch->schib)) {

		err = -ENODEV;

		goto out;

	}



	/* Devno is valid. */

	if (is_blacklisted (sch->schid.ssid, sch->schib.pmcw.dev)) {

		/*