[PATCH] isci: Add a missing call to pci_unmap_biosrom

[Quentin Lambert]

Most error branches following the call to pci_map_biosrom contain
a call to pci_unmap_biosrom. This patch add these calls where
they are missing.

This issue was found with Hector.

Signed-off-by: Quentin Lambert <lambert.quen...@gmail.com>

---
 drivers/scsi/isci/probe_roms.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/scsi/isci/probe_roms.c
+++ b/drivers/scsi/isci/probe_roms.c
@@ -54,6 +54,7 @@ struct isci_orom *isci_request_oprom(str
        len = pci_biosrom_size(pdev);
        rom = devm_kzalloc(&pdev->dev, sizeof(*rom), GFP_KERNEL);
        if (!rom) {
+               pci_unmap_biosrom(oprom);
                dev_warn(&pdev->dev,
                         "Unable to allocate memory for orom\n");
                return NULL;