From: Jiasheng Jiang jiasheng@iscas.ac.cn
Add the check for the return value of kzalloc in order to avoid NULL pointer dereference.
Cc: stable@vger.kernel.org Fixes: 6e977eaa8280 ("nvmem: brcm_nvram: parse NVRAM content into NVMEM cells") Signed-off-by: Jiasheng Jiang jiasheng@iscas.ac.cn Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org --- 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';