drm: ARM HDLCD - fix an error code
We accidentally return PTR_ERR(NULL) which is success instead of a
negative error code.
Fixes: 879e40bea6f2 ('drm: ARM HDLCD - get rid of devm_clk_put()')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
diff --git a/drivers/gpu/drm/arm/hdlcd_drv.c b/drivers/gpu/drm/arm/hdlcd_drv.c
index 734849f..3ac1ae4 100644
--- a/drivers/gpu/drm/arm/hdlcd_drv.c
+++ b/drivers/gpu/drm/arm/hdlcd_drv.c
@@ -55,8 +55,9 @@
hdlcd->mmio = devm_ioremap_resource(drm->dev, res);
if (IS_ERR(hdlcd->mmio)) {
DRM_ERROR("failed to map control registers area\n");
+ ret = PTR_ERR(hdlcd->mmio);
hdlcd->mmio = NULL;
- return PTR_ERR(hdlcd->mmio);
+ return ret;
}
version = hdlcd_read(hdlcd, HDLCD_REG_VERSION);