From: Melissa Howland <melissah@us.ibm.com>
Date: Wed, 11 Oct 2006 13:31:34 +0000 (+0200)
Subject: [S390] monwriter kzalloc size.
X-Git-Tag: archive/raspbian/4.9.13-1+rpi1~10^2~40466^2~4
X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:///%22http:/www.example.com/cgi/%22https:/www.github.com/%22bookmarks:/?a=commitdiff_plain;h=715d854bc215bbcca35097176d674c3ac58a085c;p=linux-4.9.git

[S390] monwriter kzalloc size.

Fix length on kzalloc for data buffer so as to not overwrite
unallocated storage.

Signed-off-by: Melissa Howland <melissah@us.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---

diff --git a/drivers/s390/char/monwriter.c b/drivers/s390/char/monwriter.c
index 4362ff260244..abd02ed501cb 100644
--- a/drivers/s390/char/monwriter.c
+++ b/drivers/s390/char/monwriter.c
@@ -110,7 +110,7 @@ static int monwrite_new_hdr(struct mon_private *monpriv)
 		monbuf = kzalloc(sizeof(struct mon_buf), GFP_KERNEL);
 		if (!monbuf)
 			return -ENOMEM;
-		monbuf->data = kzalloc(monbuf->hdr.datalen,
+		monbuf->data = kzalloc(monhdr->datalen,
 				       GFP_KERNEL | GFP_DMA);
 		if (!monbuf->data) {
 			kfree(monbuf);