[PATCH v3] nvmem: brcm_nvram: check for allocation failure

From: Dan Carpenter
Date: Fri May 20 2022 - 02:46:17 EST


Check for if the kcalloc() fails.

Cc: stable@xxxxxxxxxxxxxxx
Fixes: 6e977eaa8280 ("nvmem: brcm_nvram: parse NVRAM content into NVMEM cells")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Acked-by: Rafał Miłecki <rafal@xxxxxxxxxx>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
v3: Update fixes tag
v2: I don't think anything changed in v2? Added tags?

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 450b927691c3..48bb8c62cbbf 100644
--- a/drivers/nvmem/brcm_nvram.c
+++ b/drivers/nvmem/brcm_nvram.c
@@ -97,6 +97,8 @@ 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';

--
2.21.0