Messages in this thread Patch in this message | | | From | Yue Haibing <> | Subject | [PATCH] virtio_ring: Fix potential mem leak in virtqueue_add_indirect_packed | Date | Tue, 12 Mar 2019 15:06:53 +0800 |
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From: YueHaibing <yuehaibing@huawei.com>
'desc' should be freed before leaving from err handing path.
Fixes: 1ce9e6055fa0 ("virtio_ring: introduce packed ring support") Signed-off-by: YueHaibing <yuehaibing@huawei.com> --- drivers/virtio/virtio_ring.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index a0b07c3..9d95d9c 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -991,6 +991,7 @@ static int virtqueue_add_indirect_packed(struct vring_virtqueue *vq, if (unlikely(vq->vq.num_free < 1)) { pr_debug("Can't add buf len 1 - avail = 0\n"); + kfree(desc); END_USE(vq); return -ENOSPC; } -- 2.7.0
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