netdev - [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod

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Date: Thu, 9 May 2024 13:36:34 -0500
From: Daniel Jurgens <danielj@...dia.com>
To: <netdev@...r.kernel.org>
CC: <mst@...hat.com>, <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>, Daniel Jurgens <danielj@...dia.com>
Subject: [PATCH] virtio_net: Fix memory leak in virtnet_rx_mod_work

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>
---
 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