linux-kernel - [ 36/42] acpi_video: fix leaking PCI references

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Date:	Thu, 14 Jun 2012 16:56:59 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Alan Cox <alan@...ux.intel.com>,
	Matthew Garrett <mjg@...hat.com>,
	Len Brown <len.brown@...el.com>
Subject: [ 36/42] acpi_video: fix leaking PCI references

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alan Cox <alan@...ux.intel.com>

commit cfb46f433a4da97c31780e08a259fac2cb6bd61f upstream.

Signed-off-by: Alan Cox <alan@...ux.intel.com>
Acked-by: Matthew Garrett <mjg@...hat.com>
Signed-off-by: Len Brown <len.brown@...el.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/acpi/video.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -1745,6 +1745,7 @@ static int acpi_video_bus_remove(struct
 
 static int __init intel_opregion_present(void)
 {
+	int i915 = 0;
 #if defined(CONFIG_DRM_I915) || defined(CONFIG_DRM_I915_MODULE)
 	struct pci_dev *dev = NULL;
 	u32 address;
@@ -1757,10 +1758,10 @@ static int __init intel_opregion_present
 		pci_read_config_dword(dev, 0xfc, &address);
 		if (!address)
 			continue;
-		return 1;
+		i915 = 1;
 	}
 #endif
-	return 0;
+	return i915;
 }
 
 int acpi_video_register(void)


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