From 1680939e9ecf7764fba8689cfb3429c2fe2bb23c Mon Sep 17 00:00:00 2001 From: Hangyu Hua Date: Tue, 26 Apr 2022 14:05:35 +0800 Subject: rpmsg: virtio: Fix possible double free in rpmsg_virtio_add_ctrl_dev() vch will be free in virtio_rpmsg_release_device() when rpmsg_ctrldev_register_device() fails. There is no need to call kfree() again. Fixes: c486682ae1e2 ("rpmsg: virtio: Register the rpmsg_char device") Signed-off-by: Hangyu Hua Tested-by: Arnaud Pouliquen Link: https://lore.kernel.org/r/20220426060536.15594-3-hbh25y@gmail.com Signed-off-by: Mathieu Poirier --- drivers/rpmsg/virtio_rpmsg_bus.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'drivers/rpmsg') diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c index d4e453062062..9948a7335b83 100644 --- a/drivers/rpmsg/virtio_rpmsg_bus.c +++ b/drivers/rpmsg/virtio_rpmsg_bus.c @@ -851,7 +851,7 @@ static struct rpmsg_device *rpmsg_virtio_add_ctrl_dev(struct virtio_device *vdev err = rpmsg_ctrldev_register_device(rpdev_ctrl); if (err) { - kfree(vch); + /* vch will be free in virtio_rpmsg_release_device() */ return ERR_PTR(err); } -- cgit v1.2.3