From: Quentin Lambert <lambert.quentin@gmail.com>
Date: Sat, 19 Nov 2016 17:43:40 +0000 (+0100)
Subject: scsi: isci: Add a missing call to pci_unmap_biosrom
X-Git-Tag: v4.10-rc1~128^2~42
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b1509e5d2b478f362dbadfe721d5efc0162e3c8e;p=karo-tx-linux.git

scsi: isci: Add a missing call to pci_unmap_biosrom

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.quentin@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---

diff --git a/drivers/scsi/isci/probe_roms.c b/drivers/scsi/isci/probe_roms.c
index 8ac646e5eddc..a2bbe46f8ccb 100644
--- a/drivers/scsi/isci/probe_roms.c
+++ b/drivers/scsi/isci/probe_roms.c
@@ -54,6 +54,7 @@ struct isci_orom *isci_request_oprom(struct pci_dev *pdev)
 	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;