From: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Add the check for the return value of kzalloc in order to avoid
NULL pointer dereference.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 6e977eaa8280 ("nvmem: brcm_nvram: parse NVRAM content into NVMEM cells")
Signed-off-by: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
drivers/nvmem/brcm_nvram.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/nvmem/brcm_nvram.c b/drivers/nvmem/brcm_nvram.c
index 34130449f2d2..39aa27942f28 100644
--- a/drivers/nvmem/brcm_nvram.c
+++ b/drivers/nvmem/brcm_nvram.c
@@ -98,6 +98,9 @@ static int brcm_nvram_parse(struct brcm_nvram *priv)
len = le32_to_cpu(header.len);
data = kzalloc(len, GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
memcpy_fromio(data, priv->base, len);
data[len - 1] = '\0';
--
2.25.1
