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authorDan Williams <dan.j.williams@intel.com>2012-06-22 11:31:14 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-07 08:39:36 -0700
commit0651bd3e20bb320f32ede9773e9d0ec0e569ab96 (patch)
treed9a93035487596de3fb10e33733da5b053e79919
parentf3b01b793ca3a8787df8994e4a0cab5a59a24e5f (diff)
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>
-rw-r--r--drivers/scsi/isci/init.c1
-rw-r--r--drivers/scsi/isci/probe_roms.c1
2 files changed, 0 insertions, 2 deletions
diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c
index 92c1d86d1fc6..1286a8a787e2 100644
--- 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 4d95654c3fd4..8ac646e5eddc 100644
--- 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);