linux-kernel - [PATCH] char: hw_random: delete redundant printing of return value

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Date:   Sat, 13 Mar 2021 15:47:42 +0800
From:   Wang Qing <wangqing@...o.com>
To:     Hadar Gat <hadar.gat@....com>, Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        linux-crypto@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] char: hw_random: delete redundant printing of return value

platform_get_irq() has already checked and printed the return value, 
the printing here is nothing special, it is not necessary at all.

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/char/hw_random/cctrng.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/char/hw_random/cctrng.c b/drivers/char/hw_random/cctrng.c
index 7a293f2..1e551e3
--- a/drivers/char/hw_random/cctrng.c
+++ b/drivers/char/hw_random/cctrng.c
@@ -527,10 +527,8 @@ static int cctrng_probe(struct platform_device *pdev)
 
 	/* Then IRQ */
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(dev, "Failed getting IRQ resource\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	/* parse sampling rate from device tree */
 	rc = cc_trng_parse_sampling_ratio(drvdata);
-- 
2.7.4