'top_base' memory region is optional. Check that the resource is valid
before using it. This avoid getting a "invalid resource" error message
printed by the kernel.
Signed-off-by: Fabien Parent <fparent@xxxxxxxxxxxx>
---
drivers/mmc/host/mtk-sd.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index 833ef0590af8..573aa127d00b 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -2123,9 +2123,11 @@ static int msdc_drv_probe(struct platform_device *pdev)
}
res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
- host->top_base = devm_ioremap_resource(&pdev->dev, res);
- if (IS_ERR(host->top_base))
- host->top_base = NULL;
+ if (ret) {
+ host->top_base = devm_ioremap_resource(&pdev->dev, res);
+ if (IS_ERR(host->top_base))
+ host->top_base = NULL;
+ }
ret = mmc_regulator_get_supply(mmc);
if (ret)
--
2.20.1
