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Tsirkin" To: Daniel Jurgens Cc: netdev@vger.kernel.org, jasowang@redhat.com, xuanzhuo@linux.alibaba.com, virtualization@lists.linux.dev, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, jiri@nvidia.com, axboe@kernel.dk Subject: Re: [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work Message-ID: <20240510060716-mutt-send-email-mst@kernel.org> References: <20240509183634.143273-1-danielj@nvidia.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240509183634.143273-1-danielj@nvidia.com> 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 > Closes: https://lore.kernel.org/netdev/0674ca1b-020f-4f93-94d0-104964566e3f@kernel.dk/ > Signed-off-by: Daniel Jurgens Acked-by: Michael S. Tsirkin > --- > 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