On 11/19/2019 12:09 AM, Sun Ke wrote:
> Before return NULL,put the sock first.
>
> Cc: stable@xxxxxxxxxxxxxxx
> Fixes: cf1b2326b734 ("nbd: verify socket is supported during setup")
> Signed-off-by: Sun Ke <sunke32@xxxxxxxxxx>
> ---
> v2: add cc:stable tag
> ---
> drivers/block/nbd.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
> index a94ee45..19e7599 100644
> --- a/drivers/block/nbd.c
> +++ b/drivers/block/nbd.c
> @@ -993,6 +993,7 @@ static struct socket *nbd_get_socket(struct nbd_device *nbd, unsigned long fd,
> if (sock->ops->shutdown == sock_no_shutdown) {
> dev_err(disk_to_dev(nbd->disk), "Unsupported socket: shutdown callout must be supported.\n");
> *err = -EINVAL;
> + sockfd_put(sock);
> return NULL;
> }
>
>
Reviewed-by: Mike Christie <mchristi@xxxxxxxxxx>
