pwm: renesas-tpu: fix return value check in tpu_probe()
In case of error, the function devm_ioremap_resource() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
diff --git a/drivers/pwm/pwm-renesas-tpu.c b/drivers/pwm/pwm-renesas-tpu.c
index 96e0cc4..03c1aa3 100644
--- a/drivers/pwm/pwm-renesas-tpu.c
+++ b/drivers/pwm/pwm-renesas-tpu.c
@@ -410,10 +410,8 @@
}
tpu->base = devm_ioremap_resource(&pdev->dev, res);
- if (tpu->base == NULL) {
- dev_err(&pdev->dev, "failed to remap I/O memory\n");
- return -ENXIO;
- }
+ if (IS_ERR(tpu->base))
+ return PTR_ERR(tpu->base);
tpu->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(tpu->clk)) {
