linux-kernel - [PATCH] isci: Add a missing call to pci_unmap

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Date:   Sat, 19 Nov 2016 18:43:40 +0100
From:   Quentin Lambert <lambert.quentin@...il.com>
To:     Intel SCU Linux support <intel-linux-scu@...el.com>,
        Artur Paszkiewicz <artur.paszkiewicz@...el.com>,
        "James E.J. Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org
Cc:     Quentin Lambert <lambert.quentin@...il.com>
Subject: [PATCH] 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@...il.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;