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>

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index ce1a75df590209a952c708c35cc4b7416af70170..7191c16954d293ef8f5e0e3c04be20f75aae480a 100644 (file)
--- 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,