linux-kernel - [PATCH] crypto: amlogic - Add check for devm

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Message-Id: <20221122062230.22024-1-jiasheng@iscas.ac.cn>
Date:   Tue, 22 Nov 2022 14:22:30 +0800
From:   Jiasheng Jiang <jiasheng@...as.ac.cn>
To:     clabbe@...libre.com, herbert@...dor.apana.org.au,
        davem@...emloft.net
Cc:     linux-crypto@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Jiasheng Jiang <jiasheng@...as.ac.cn>
Subject: [PATCH] crypto: amlogic - Add check for devm_kcalloc

As the devm_kcalloc may return NULL pointer,
it should be better to add check for the return
value, as same as the others.

Fixes: 48fe583fe541 ("crypto: amlogic - Add crypto accelerator for amlogic GXL")
Signed-off-by: Jiasheng Jiang <jiasheng@...as.ac.cn>
---
 drivers/crypto/amlogic/amlogic-gxl-core.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/crypto/amlogic/amlogic-gxl-core.c b/drivers/crypto/amlogic/amlogic-gxl-core.c
index 6e7ae896717c..b243d6382664 100644
--- a/drivers/crypto/amlogic/amlogic-gxl-core.c
+++ b/drivers/crypto/amlogic/amlogic-gxl-core.c
@@ -238,6 +238,9 @@ static int meson_crypto_probe(struct platform_device *pdev)
 	}
 
 	mc->irqs = devm_kcalloc(mc->dev, MAXFLOW, sizeof(int), GFP_KERNEL);
+	if (!mc->irqs)
+		return -ENOMEM;
+
 	for (i = 0; i < MAXFLOW; i++) {
 		mc->irqs[i] = platform_get_irq(pdev, i);
 		if (mc->irqs[i] < 0)
-- 
2.25.1