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Date: Sun, 16 Jan 2022 13:34:50 +0800 From: xkernel.wang@...mail.com To: srinivas.kandagatla@...aro.org, narmstrong@...libre.com, khilman@...libre.com Cc: jbrunet@...libre.com, martin.blumenstingl@...glemail.com, linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org, Xiaoke Wang <xkernel.wang@...mail.com> Subject: [PATCH] nvmem: meson-mx-efuse: check the return value of devm_kstrdup() From: Xiaoke Wang <xkernel.wang@...mail.com> devm_kstrdup() returns pointer to allocated string on success, NULL on failure. So it is better to check the return value of it. Signed-off-by: Xiaoke Wang <xkernel.wang@...mail.com> --- drivers/nvmem/meson-mx-efuse.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/nvmem/meson-mx-efuse.c b/drivers/nvmem/meson-mx-efuse.c index 07c9f38..38e6a5f 100644 --- a/drivers/nvmem/meson-mx-efuse.c +++ b/drivers/nvmem/meson-mx-efuse.c @@ -211,6 +211,9 @@ static int meson_mx_efuse_probe(struct platform_device *pdev) efuse->config.name = devm_kstrdup(&pdev->dev, drvdata->name, GFP_KERNEL); + if (!efuse->config.name) + return -ENOMEM; + efuse->config.owner = THIS_MODULE; efuse->config.dev = &pdev->dev; efuse->config.priv = efuse; --
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