From 4ee69851cd4880f574d22f5ce08bec35b01c94e3 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <error27@gmail.com>
Date: Mon, 23 Aug 2010 12:28:15 +0200
Subject: [PATCH] cciss: handle allocation failure

If kmalloc() fails then cleanup and return failure (-1).

Signed-off-by: Dan Carpenter <error27@gmail.com>
Acked-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
---
 drivers/block/cciss.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index ce1a75df5902..7191c16954d2 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4718,6 +4718,9 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
 	h->scatter_list = kmalloc(h->max_commands *
 						sizeof(struct scatterlist *),
 						GFP_KERNEL);
+	if (!h->scatter_list)
+		goto clean4;
+
 	for (k = 0; k < h->nr_cmds; k++) {
 		h->scatter_list[k] = kmalloc(sizeof(struct scatterlist) *
 							h->maxsgentries,
-- 
2.20.1