From: Cornelia Huck <cornelia.huck@de.ibm.com>
Date: Fri, 10 Aug 2007 12:32:26 +0000 (+0200)
Subject: [S390] cio: avoid memory leak on error in css_alloc_subchannel().
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=5693ce6f9b9f08942e55e3825db014f8b1205772;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

[S390] cio: avoid memory leak on error in css_alloc_subchannel().

sch->lock has been allocated in cio_validate_subchannel(), it must be
freed if cio_modify() fails.

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c
index 1c27a5a06b49..5635e656c1a3 100644
--- a/drivers/s390/cio/css.c
+++ b/drivers/s390/cio/css.c
@@ -79,6 +79,7 @@ css_alloc_subchannel(struct subchannel_id schid)
 	sch->schib.pmcw.intparm = (__u32)(unsigned long)sch;
 	ret = cio_modify(sch);
 	if (ret) {
+		kfree(sch->lock);
 		kfree(sch);
 		return ERR_PTR(ret);
 	}