If devm_ioremap_resource() fails, it never return NULL, replace
NULL test with IS_ERR().
Fixes: b083c22d5114 ("video: fbdev: imxfb: Convert request_mem_region + ioremap to devm_ioremap_resource")
Signed-off-by: Yang Yingliang <yangyingliang@xxxxxxxxxx>
---
drivers/video/fbdev/imxfb.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/video/fbdev/imxfb.c b/drivers/video/fbdev/imxfb.c
index c48477893dd0..d97d7456d15a 100644
--- a/drivers/video/fbdev/imxfb.c
+++ b/drivers/video/fbdev/imxfb.c
@@ -971,9 +971,9 @@ static int imxfb_probe(struct platform_device *pdev)
}
fbi->regs = devm_ioremap_resource(&pdev->dev, res);
- if (fbi->regs == NULL) {
+ if (IS_ERR(fbi->regs)) {
dev_err(&pdev->dev, "Cannot map frame buffer registers\n");
- ret = -ENOMEM;
+ ret = PTR_ERR(fbi->regs);
goto failed_ioremap;
}
--
2.25.1
