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
......@@ -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);
}
......
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