Add missing xsk_buff_free() call when __xsk_rcv_zc() failed to produce
descriptor to XSK Rx queue.
Fixes: 24ea50127ecf ("xsk: support mbuf on ZC RX")
Signed-off-by: Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx>
---
net/xdp/xsk.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/net/xdp/xsk.c b/net/xdp/xsk.c
index 281d49b4fca4..bd4abb200fa9 100644
--- a/net/xdp/xsk.c
+++ b/net/xdp/xsk.c
@@ -167,8 +167,10 @@ static int xsk_rcv_zc(struct xdp_sock *xs, struct xdp_buff *xdp, u32 len)
contd = XDP_PKT_CONTD;
err = __xsk_rcv_zc(xs, xskb, len, contd);
- if (err || likely(!frags))
- goto out;
+ if (err)
+ goto err;
+ if (likely(!frags))
+ return 0;
xskb_list = &xskb->pool->xskb_list;
list_for_each_entry_safe(pos, tmp, xskb_list, xskb_list_node) {
@@ -177,11 +179,13 @@ static int xsk_rcv_zc(struct xdp_sock *xs, struct xdp_buff *xdp, u32 len)
len = pos->xdp.data_end - pos->xdp.data;
err = __xsk_rcv_zc(xs, pos, len, contd);
if (err)
- return err;
+ goto err;
list_del(&pos->xskb_list_node);
}
-out:
+ return 0;
+err:
+ xsk_buff_free(xdp);
return err;
}
--
2.34.1
