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Commit f30a746b authored by Sudip Mukherjee's avatar Sudip Mukherjee Committed by Greg Kroah-Hartman
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staging: sm7xxfb: reserve PCI resource 



before starting to access any address inside the PCI region we should
reserve the resource and release the resource when the module exits.

Signed-off-by: default avatarSudip Mukherjee <sudip@vectorindia.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 63b8ebe4

drivers/staging/sm7xxfb/sm7xxfb.c

+10 −0
Original line number Diff line number Diff line
@@ -776,6 +776,12 @@ static int smtcfb_pci_probe(struct pci_dev *pdev, 
	if (err)

		return err;



	err = pci_request_region(pdev, 0, "sm7xxfb");

	if (err < 0) {

		dev_err(&pdev->dev, "cannot reserve framebuffer region\n");

		goto failed_regions;

	}



	sprintf(smtcfb_fix.id, "sm%Xfb", ent->device);



	sfb = smtc_alloc_fb_info(pdev);
@@ -905,6 +911,9 @@ static int smtcfb_pci_probe(struct pci_dev *pdev, 
	smtc_free_fb_info(sfb);



failed_free:

	pci_release_region(pdev, 0);



failed_regions:

	pci_disable_device(pdev);



	return err;
@@ -933,6 +942,7 @@ static void smtcfb_pci_remove(struct pci_dev *pdev) 
	smtc_unmap_mmio(sfb);

	unregister_framebuffer(&sfb->fb);

	smtc_free_fb_info(sfb);

	pci_release_region(pdev, 0);

}



#ifdef CONFIG_PM