From: Alexey Khoroshilov <khoroshi...@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 <khoroshi...@ispras.ru>
Cc: Alan Hourihane <al...@fairlite.demon.co.uk>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnier...@samsung.com>
Signed-off-by: Sasha Levin <alexander.le...@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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