linux-kernel - [PATCH] nvmem: check for allocation failure

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Date:   Tue, 1 Mar 2022 11:11:27 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     Rafał Miłecki <rafal@...ecki.pl>,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH] nvmem: check for allocation failure

Check for if the kcalloc() fails.

Fixes: 299dc152721f ("nvmem: brcm_nvram: parse NVRAM content into NVMEM cells")
Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>
---
 drivers/nvmem/brcm_nvram.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/nvmem/brcm_nvram.c b/drivers/nvmem/brcm_nvram.c
index 439f00b9eef6..c80af8a31eba 100644
--- a/drivers/nvmem/brcm_nvram.c
+++ b/drivers/nvmem/brcm_nvram.c
@@ -95,6 +95,8 @@ static int brcm_nvram_parse(struct brcm_nvram *priv)
 	len = le32_to_cpu(header.len);
 
 	data = kcalloc(1, len, GFP_KERNEL);
+	if (!data)
+		return -ENOMEM;
 	memcpy_fromio(data, priv->base, len);
 	data[len - 1] = '\0';
 
-- 
2.20.1