mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 17:30:02 +00:00
[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: Amol Lad <amol@verismonetworks.com> Cc: "Antonino A. Daplas" <adaplas@pol.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
parent
027b53dd92
commit
295a1b4767
1 changed files with 18 additions and 0 deletions
|
@ -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);
|
||||
}
|
||||
|
||||
|
|
Loading…
Reference in a new issue