[PATCH 5/7] hwrng: ingenic - use dev_err_probe in error paths

From: Martin Kaiser
Date: Mon Jul 10 2023 - 16:29:49 EST


Use dev_err_probe in error paths to make the code a bit shorter.

Signed-off-by: Martin Kaiser <martin@xxxxxxxxx>
---
drivers/char/hw_random/ingenic-trng.c | 20 ++++++++------------
1 file changed, 8 insertions(+), 12 deletions(-)

diff --git a/drivers/char/hw_random/ingenic-trng.c b/drivers/char/hw_random/ingenic-trng.c
index 906fa78de47e..cc88a941c929 100644
--- a/drivers/char/hw_random/ingenic-trng.c
+++ b/drivers/char/hw_random/ingenic-trng.c
@@ -84,16 +84,14 @@ static int ingenic_trng_probe(struct platform_device *pdev)
return -ENOMEM;

trng->base = devm_platform_ioremap_resource(pdev, 0);
- if (IS_ERR(trng->base)) {
- pr_err("%s: Failed to map DTRNG registers\n", __func__);
- return PTR_ERR(trng->base);
- }
+ if (IS_ERR(trng->base))
+ return dev_err_probe(&pdev->dev, PTR_ERR(trng->base),
+ "%s: Failed to map DTRNG registers\n", __func__);

clk = devm_clk_get_enabled(&pdev->dev, NULL);
- if (IS_ERR(clk)) {
- pr_crit("%s: Cannot get and enable DTRNG clock\n", __func__);
- return PTR_ERR(clk);
- }
+ if (IS_ERR(clk))
+ return dev_err_probe(&pdev->dev, PTR_ERR(clk),
+ "%s: Cannot get and enable DTRNG clock\n", __func__);

trng->rng.name = pdev->name;
trng->rng.init = ingenic_trng_init;
@@ -101,10 +99,8 @@ static int ingenic_trng_probe(struct platform_device *pdev)
trng->rng.read = ingenic_trng_read;

ret = hwrng_register(&trng->rng);
- if (ret) {
- dev_err(&pdev->dev, "Failed to register hwrng\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(&pdev->dev, ret, "Failed to register hwrng\n");

platform_set_drvdata(pdev, trng);

--
2.30.2