linux-kernel - [PATCH] cciss: Fix multiple calls to pci_release

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Date:	Mon, 12 Oct 2009 10:35:10 -0500
From:	"Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
To:	akpm@...ux-foundation.org, axboe@...nel.dk
Cc:	linux-kernel@...r.kernel.org, mikem@...rdog.cce.hp.com,
	scameron@...rdog.cce.hp.com
Subject: [PATCH] cciss: Fix multiple calls to pci_release_regions

Fix multiple calls to pci_release_regions.  If cciss_pci_init
fails, it already does any necessary call to pci_release_regions,
so this does not need to be done again in cciss_init_one in that
case.

Signed-off-by: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
---

 drivers/block/cciss.c |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index fb5be2d..52f53c1 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -4254,7 +4254,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
 	mutex_init(&hba[i]->busy_shutting_down);
 
 	if (cciss_pci_init(hba[i], pdev) != 0)
-		goto clean0;
+		goto clean_no_release_regions;
 
 	sprintf(hba[i]->devname, "cciss%d", i);
 	hba[i]->ctlr = i;
@@ -4391,13 +4391,14 @@ clean2:
 clean1:
 	cciss_destroy_hba_sysfs_entry(hba[i]);
 clean0:
+	pci_release_regions(pdev);
+clean_no_release_regions:
 	hba[i]->busy_initializing = 0;
 
 	/*
 	 * Deliberately omit pci_disable_device(): it does something nasty to
 	 * Smart Array controllers that pci_enable_device does not undo
 	 */
-	pci_release_regions(pdev);
 	pci_set_drvdata(pdev, NULL);
 	free_hba(i);
 	return -1;

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