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Diffstat (limited to 'net/xdp/xsk.c')
-rw-r--r--net/xdp/xsk.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index c6ed2454f7ce..3b3410ada097 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -118,6 +118,9 @@ int xsk_generic_rcv(struct xdp_sock *xs, struct xdp_buff *xdp)
u64 addr;
int err;
+ if (xs->dev != xdp->rxq->dev || xs->queue_id != xdp->rxq->queue_index)
+ return -EINVAL;
+
if (!xskq_peek_addr(xs->umem->fq, &addr) ||
len > xs->umem->chunk_size_nohr) {
xs->rx_dropped++;
@@ -643,7 +646,7 @@ static int xsk_getsockopt(struct socket *sock, int level, int optname,
static int xsk_mmap(struct file *file, struct socket *sock,
struct vm_area_struct *vma)
{
- unsigned long offset = vma->vm_pgoff << PAGE_SHIFT;
+ loff_t offset = (loff_t)vma->vm_pgoff << PAGE_SHIFT;
unsigned long size = vma->vm_end - vma->vm_start;
struct xdp_sock *xs = xdp_sk(sock->sk);
struct xsk_queue *q = NULL;
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