On Tue, 29 Mar 2022 10:40:04 +0000
cgel.zte@xxxxxxxxx wrote:
> From: Lv Ruyi <lv.ruyi@xxxxxxxxxx>
>
> kzalloc is a memory allocation function which can return NULL when some
> internal memory errors happen. It is safer to add null pointer check.
Oops, yes.
Acked-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Thank you!
>
> Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
> Signed-off-by: Lv Ruyi <lv.ruyi@xxxxxxxxxx>
> ---
> fs/proc/bootconfig.c | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/fs/proc/bootconfig.c b/fs/proc/bootconfig.c
> index 6d8d4bf20837..2e244ada1f97 100644
> --- a/fs/proc/bootconfig.c
> +++ b/fs/proc/bootconfig.c
> @@ -32,6 +32,8 @@ static int __init copy_xbc_key_value_list(char *dst, size_t size)
> int ret = 0;
>
> key = kzalloc(XBC_KEYLEN_MAX, GFP_KERNEL);
> + if (!key)
> + return -ENOMEM;
>
> xbc_for_each_key_value(leaf, val) {
> ret = xbc_node_compose_key(leaf, key, XBC_KEYLEN_MAX);
> --
> 2.25.1
>
--
Masami Hiramatsu <mhiramat@xxxxxxxxxx>
