cciss: fix leak of ioremapped memory

cciss: fix leak of ioremapped memory
in cciss_pci_init error path.

Signed-off-by: Stephen M. Cameron <scameron@beardog.cce.hp.com>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index c297d31d0c97..b70247110608 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4114,6 +4114,10 @@ static int __devinit cciss_pci_init(ctlr_info_t *c)
         if (err)
                 goto err_out_free_res;
         c->vaddr = remap_pci_mem(c->paddr, 0x250);
+        if (!c->vaddr) {
+                err = -ENOMEM;
+                goto err_out_free_res;
+        }
         err = cciss_wait_for_board_ready(c);
         if (err)
                 goto err_out_free_res;
@@ -4198,6 +4202,12 @@ err_out_free_res:
          * Deliberately omit pci_disable_device(): it does something nasty to
          * Smart Array controllers that pci_enable_device does not undo
          */
+        if (c->transtable)
+                iounmap(c->transtable);
+        if (c->cfgtable)
+                iounmap(c->cfgtable);
+        if (c->vaddr)
+                iounmap(c->vaddr);
         pci_release_regions(c->pdev);
         return err;
 }
@@ -4745,6 +4755,8 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev)
                 pci_disable_msi(hba[i]->pdev);
 #endif                          /* CONFIG_PCI_MSI */
 
+        iounmap(hba[i]->transtable);
+        iounmap(hba[i]->cfgtable);
         iounmap(hba[i]->vaddr);
 
         pci_free_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(CommandList_struct),