drivers/exynos4210: Return -ENOMEM when ioremap has failed

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>

diff --git a/xen/drivers/char/exynos4210-uart.c b/xen/drivers/char/exynos4210-uart.c
index f1513903523191d0a229acba43a7b03c158c3165..f7971da73b996ca0136169117ed69277c772d3f7 100644 (file)
--- a/xen/drivers/char/exynos4210-uart.c
+++ b/xen/drivers/char/exynos4210-uart.c
@@ -328,6 +328,7 @@ static int __init exynos4210_uart_init(struct dt_device_node *dev,
     if ( !uart->regs )
     {
         early_printk("exynos4210: Unable to map the UART memory\n");
+        return -ENOMEM;
     }
     res = dt_device_get_irq(dev, 0, &uart->irq);
     if ( res )