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    Subject[PATCH AUTOSEL for 4.4 104/162] vmlfb: Fix error handling in cr_pll_init()
    Date
    From: Alexey Khoroshilov <khoroshilov@ispras.ru>

    [ Upstream commit 6af574e826740bf17663b48ba3f8fadb81d2113f ]

    There is an error path, where iomemory is left mapped.

    Found by Linux Driver Verification project (linuxtesting.org).

    Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
    Cc: Alan Hourihane <alanh@fairlite.demon.co.uk>
    Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
    Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
    ---
    drivers/video/fbdev/vermilion/cr_pll.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/drivers/video/fbdev/vermilion/cr_pll.c b/drivers/video/fbdev/vermilion/cr_pll.c
    index ebc6e6e0dd0f..ba105c876bed 100644
    --- a/drivers/video/fbdev/vermilion/cr_pll.c
    +++ b/drivers/video/fbdev/vermilion/cr_pll.c
    @@ -185,6 +185,7 @@ static int __init cr_pll_init(void)
    if (err) {
    printk(KERN_ERR
    "Carillo Ranch failed to initialize vml_sys.\n");
    + iounmap(mch_regs_base);
    pci_dev_put(mch_dev);
    return err;
    }
    --
    2.15.1
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