From 14b055f43915a81be46d7e98f6f237bee62c6b0c Mon Sep 17 00:00:00 2001 From: Fabio Estevam Date: Sat, 6 Jan 2018 11:22:34 -0200 Subject: [PATCH] soc: fsl: guts: Add a NULL check for devm_kasprintf() devm_kasprintf() may fail, so we should better add a NULL check and propagate an error on failure. Signed-off-by: Fabio Estevam Acked-by: Yangbo Lu Signed-off-by: Li Yang --- drivers/soc/fsl/guts.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/soc/fsl/guts.c b/drivers/soc/fsl/guts.c index d98de2c76659..302e0c8d69d9 100644 --- a/drivers/soc/fsl/guts.c +++ b/drivers/soc/fsl/guts.c @@ -167,10 +167,16 @@ static int fsl_guts_probe(struct platform_device *pdev) } else { soc_dev_attr.family = devm_kasprintf(dev, GFP_KERNEL, "QorIQ"); } + if (!soc_dev_attr.family) + return -ENOMEM; soc_dev_attr.soc_id = devm_kasprintf(dev, GFP_KERNEL, "svr:0x%08x", svr); + if (!soc_dev_attr.soc_id) + return -ENOMEM; soc_dev_attr.revision = devm_kasprintf(dev, GFP_KERNEL, "%d.%d", (svr >> 4) & 0xf, svr & 0xf); + if (!soc_dev_attr.revision) + return -ENOMEM; soc_dev = soc_device_register(&soc_dev_attr); if (IS_ERR(soc_dev)) -- 2.45.2