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>

1 files changed, 3 insertions, 0 deletions

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,