From f45a43d847c96949d22e702879e52385a1547f6b Mon Sep 17 00:00:00 2001
From: Stefan Weinhuber <wein@de.ibm.com>
Date: Thu, 29 Jun 2006 14:57:46 +0200
Subject: [PATCH] [S390] missing check in dasd_eer_open.

Check the return value of kzalloc in dasd_eer_open.

Signed-off-by: Stefan Weinhuber <wein@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
---
 drivers/s390/block/dasd_eer.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/s390/block/dasd_eer.c b/drivers/s390/block/dasd_eer.c
index 2d8af709947f..9d574ede1b1d 100644
--- a/drivers/s390/block/dasd_eer.c
+++ b/drivers/s390/block/dasd_eer.c
@@ -521,6 +521,8 @@ static int dasd_eer_open(struct inode *inp, struct file *filp)
 	unsigned long flags;
 
 	eerb = kzalloc(sizeof(struct eerbuffer), GFP_KERNEL);
+	if (!eerb)
+		return -ENOMEM;
 	eerb->buffer_page_count = eer_pages;
 	if (eerb->buffer_page_count < 1 ||
 	    eerb->buffer_page_count > INT_MAX / PAGE_SIZE) {