devm_ioremap_resource() retunrs an error pointer, not NULL. Thus,
the result should be checked with IS_ERR().
Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/gpu/drm/exynos/exynos_drm_dsi.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index ae81124..84661fe 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
@@ -1465,9 +1465,9 @@ static int exynos_dsi_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
dsi->reg_base = devm_ioremap_resource(&pdev->dev, res);
- if (!dsi->reg_base) {
+ if (IS_ERR(dsi->reg_base)) {
dev_err(&pdev->dev, "failed to remap io region\n");
- return -EADDRNOTAVAIL;
+ return PTR_ERR(dsi->reg_base);
}
dsi->phy = devm_phy_get(&pdev->dev, "dsim");
--
1.7.10.4
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