isci: fix isci_pci_probe() generates warning on efi failure path

commit 6d70a74ffd616073a68ae0974d98819bfa8e6da6 upstream.

The oem parameter image embedded in the efi variable is at an offset
from the start of the variable.  However, in the failure path we try to
free the 'orom' pointer which is only valid when the paramaters are
being read from the legacy option-rom space.

Since failure to load the oem parameters is unlikely and we keep the
memory around in the success case just defer all de-allocation to devm.

Reported-by: Don Morris <don.morris@hp.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index 92c1d86d1fc6478471cd88a318bd9e72e9bd65d6..1286a8a787e2bcf39a82387b3b723d33a5544d6c 100644 (file)
--- a/drivers/scsi/isci/init.c
+++ b/drivers/scsi/isci/init.c
@@ -644,7 +644,6 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic
                                                orom->hdr.version)) {
                        dev_warn(&pdev->dev,
                                 "[%d]: invalid oem parameters detected, falling back to firmware\n", i);
-                       devm_kfree(&pdev->dev, orom);
                        orom = NULL;
                        break;
                }

diff --git a/drivers/scsi/isci/probe_roms.c b/drivers/scsi/isci/probe_roms.c
index 4d95654c3fd4852ebeaff740e11bbe2492d4c4a5..8ac646e5eddc9476603fb98c8ce5bd2a7b0be224 100644 (file)
--- a/drivers/scsi/isci/probe_roms.c
+++ b/drivers/scsi/isci/probe_roms.c
@@ -104,7 +104,6 @@ struct isci_orom *isci_request_oprom(struct pci_dev *pdev)
 
        if (i >= len) {
                dev_err(&pdev->dev, "oprom parse error\n");
-               devm_kfree(&pdev->dev, rom);
                rom = NULL;
        }
        pci_unmap_biosrom(oprom);