[PATCH] vmlfb: Fix error handling in cr_pll_init()

[Alexey Khoroshilov]

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

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

Signed-off-by: Alexey Khoroshilov <khoroshilov@xxxxxxxxx>
---
 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;
 	}
-- 
2.7.4