The devm_platform_ioremap_resource_byname() function doesn't return NULL,
it returns error pointers. Update the checking to match.
Fixes: b93f07cf090a ("drm/vc4: move to devm_platform_ioremap_resource() usage")
Signed-off-by: Dan Carpenter <dan.carpen...@linaro.org>
---
drivers/gpu/drm/vc4/vc4_hdmi.c | 28 ++++++++++++++--------------
1 file changed, 14 insertions(+), 14 deletions(-)
diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index d20e5c53ba75..37238a12baa5 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -2928,8 +2928,8 @@ static int vc5_hdmi_init_resources(struct drm_device *drm,
vc4_hdmi->hdmicore_regs = devm_platform_ioremap_resource_byname(pdev,
"hdmi");
- if (!vc4_hdmi->hdmicore_regs)
- return -ENOMEM;
+ if (IS_ERR(vc4_hdmi->hdmicore_regs))
+ return PTR_ERR(vc4_hdmi->hdmicore_regs);
/* This is shared between both HDMI controllers. Cannot
* claim for both instances. Lets not convert to using
@@ -2946,33 +2946,33 @@ static int vc5_hdmi_init_resources(struct drm_device
*drm,
vc4_hdmi->cec_regs = devm_platform_ioremap_resource_byname(pdev,
"cec");
- if (!vc4_hdmi->cec_regs)
- return -ENOMEM;
+ if (IS_ERR(vc4_hdmi->cec_regs))
+ return PTR_ERR(vc4_hdmi->cec_regs);
vc4_hdmi->csc_regs = devm_platform_ioremap_resource_byname(pdev,
"csc");
- if (!vc4_hdmi->csc_regs)
- return -ENOMEM;
+ if (IS_ERR(vc4_hdmi->csc_regs))
+ return PTR_ERR(vc4_hdmi->csc_regs);
vc4_hdmi->dvp_regs = devm_platform_ioremap_resource_byname(pdev,
"dvp");
- if (!vc4_hdmi->dvp_regs)
- return -ENOMEM;
+ if (IS_ERR(vc4_hdmi->dvp_regs))
+ return PTR_ERR(vc4_hdmi->dvp_regs);
vc4_hdmi->phy_regs = devm_platform_ioremap_resource_byname(pdev,
"phy");
- if (!vc4_hdmi->phy_regs)
- return -ENOMEM;
+ if (IS_ERR(vc4_hdmi->phy_regs))
+ return PTR_ERR(vc4_hdmi->phy_regs);
vc4_hdmi->ram_regs = devm_platform_ioremap_resource_byname(pdev,
"packet");
- if (!vc4_hdmi->ram_regs)
- return -ENOMEM;
+ if (IS_ERR(vc4_hdmi->ram_regs))
+ return PTR_ERR(vc4_hdmi->ram_regs);
vc4_hdmi->rm_regs = devm_platform_ioremap_resource_byname(pdev, "rm");
- if (!vc4_hdmi->rm_regs)
- return -ENOMEM;
+ if (IS_ERR(vc4_hdmi->rm_regs))
+ return PTR_ERR(vc4_hdmi->rm_regs);
vc4_hdmi->hsm_clock = devm_clk_get(dev, "hdmi");
if (IS_ERR(vc4_hdmi->hsm_clock)) {
--
2.47.2
