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mmc: cb710: drop free_irq for devm_request_irq allocated irq

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irq allocated with devm_request_irq should not be freed using
free_irq, because doing so causes a dangling pointer, and a
subsequent double free.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2013-09-24 10:40:57 +08:00 committed by Greg Kroah-Hartman
parent 8d49751580
commit 0a335b6d47
1 changed files with 1 additions and 1 deletions
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2
drivers/misc/cb710/core.c
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@ -176,7 +176,7 @@ static int cb710_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct cb710_chip *chip = pci_get_drvdata(pdev);
free_irq(pdev->irq, chip);
devm_free_irq(&pdev->dev, pdev->irq, chip);
pci_save_state(pdev);
pci_disable_device(pdev);
if (state.event & PM_EVENT_SLEEP)