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Message-ID: <20240510060716-mutt-send-email-mst@kernel.org>
Date: Fri, 10 May 2024 06:07:23 -0400
From: "Michael S. Tsirkin" <mst@...hat.com>
To: Daniel Jurgens <danielj@...dia.com>
Cc: netdev@...r.kernel.org, jasowang@...hat.com, xuanzhuo@...ux.alibaba.com,
virtualization@...ts.linux.dev, davem@...emloft.net,
edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com,
jiri@...dia.com, axboe@...nel.dk
Subject: Re: [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work
On Thu, May 09, 2024 at 01:36:34PM -0500, Daniel Jurgens wrote:
> The pointer delcaration was missing the __free(kfree).
>
> Fixes: ff7c7d9f5261 ("virtio_net: Remove command data from control_buf")
> Reported-by: Jens Axboe <axboe@...nel.dk>
> Closes: https://lore.kernel.org/netdev/0674ca1b-020f-4f93-94d0-104964566e3f@kernel.dk/
> Signed-off-by: Daniel Jurgens <danielj@...dia.com>
Acked-by: Michael S. Tsirkin <mst@...hat.com>
> ---
> drivers/net/virtio_net.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
> index df6121c38a1b..42da535913ed 100644
> --- a/drivers/net/virtio_net.c
> +++ b/drivers/net/virtio_net.c
> @@ -2884,7 +2884,6 @@ static int virtnet_set_queues(struct virtnet_info *vi, u16 queue_pairs)
>
> static int virtnet_close(struct net_device *dev)
> {
> - u8 *promisc_allmulti __free(kfree) = NULL;
> struct virtnet_info *vi = netdev_priv(dev);
> int i;
>
> @@ -2905,11 +2904,11 @@ static void virtnet_rx_mode_work(struct work_struct *work)
> {
> struct virtnet_info *vi =
> container_of(work, struct virtnet_info, rx_mode_work);
> + u8 *promisc_allmulti __free(kfree) = NULL;
> struct net_device *dev = vi->dev;
> struct scatterlist sg[2];
> struct virtio_net_ctrl_mac *mac_data;
> struct netdev_hw_addr *ha;
> - u8 *promisc_allmulti;
> int uc_count;
> int mc_count;
> void *buf;
> --
> 2.45.0
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