Commit 295a1b47 authored by Amol Lad's avatar Amol Lad Committed by Linus Torvalds
Browse files

[PATCH] ioremap balanced with iounmap for drivers/video/pvr2fb 



ioremap must be balanced by an iounmap and failing to do so can result in a
memory leak.

Signed-off-by: default avatarAmol Lad <amol@verismonetworks.com>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 027b53dd

drivers/video/pvr2fb.c

+18 −0
Original line number Diff line number Diff line
@@ -905,6 +905,15 @@ static int __init pvr2fb_dc_init(void) 


static void pvr2fb_dc_exit(void)

{

	if (fb_info->screen_base) {

		iounmap(fb_info->screen_base);

		fb_info->screen_base = NULL;

	}

	if (currentpar->mmio_base) {

		iounmap((void *)currentpar->mmio_base);

		currentpar->mmio_base = 0;

	}



	free_irq(HW_EVENT_VSYNC, 0);

#ifdef CONFIG_SH_DMA

	free_dma(pvr2dma);
@@ -946,6 +955,15 @@ static int __devinit pvr2fb_pci_probe(struct pci_dev *pdev, 


static void __devexit pvr2fb_pci_remove(struct pci_dev *pdev)

{

	if (fb_info->screen_base) {

		iounmap(fb_info->screen_base);

		fb_info->screen_base = NULL;

	}

	if (currentpar->mmio_base) {

		iounmap((void *)currentpar->mmio_base);

		currentpar->mmio_base = 0;

	}



	pci_release_regions(pdev);

}