function devm_ioremap_resource() doesn't return NULL, should check its return
value with helper IS_ERR().
Signed-off-by: ethan.zhao <ethan.ker...@gmail.com>
---
drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
b/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
index a0f6a17..93190ab 100644
--- a/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
+++ b/drivers/gpu/drm/rcar-du/rcar_du_lvdsenc.c
@@ -151,7 +151,7 @@ static int rcar_du_lvdsenc_get_resources(struct
rcar_du_lvdsenc *lvds,
}
lvds->mmio = devm_ioremap_resource(&pdev->dev, mem);
- if (lvds->mmio == NULL) {
+ if (IS_ERR(lvds->mmio)) {
dev_err(&pdev->dev, "failed to remap memory resource for %s\n",
name);
return -ENOMEM;
--
1.8.3.4 (Apple Git-47)
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