diff mbox series

[bpf] bpf: Reset data_meta before running programs attached to devmap entry

Message ID 20200608151723.9539-1-dsahern@kernel.org
State Accepted
Delegated to: BPF Maintainers
Headers show
Series [bpf] bpf: Reset data_meta before running programs attached to devmap entry | expand

Commit Message

David Ahern June 8, 2020, 3:17 p.m. UTC 
This is a new context that does not handle metadata at the moment, so
mark data_meta invalid.

Fixes: fbee97feed9b ("bpf: Add support to attach bpf program to a devmap entry")
Signed-off-by: David Ahern <dsahern@kernel.org>
---
 kernel/bpf/devmap.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Alexei Starovoitov June 9, 2020, 6:20 p.m. UTC | #1 
On Mon, Jun 8, 2020 at 8:17 AM David Ahern <dsahern@kernel.org> wrote:
>
> This is a new context that does not handle metadata at the moment, so
> mark data_meta invalid.
>
> Fixes: fbee97feed9b ("bpf: Add support to attach bpf program to a devmap entry")
> Signed-off-by: David Ahern <dsahern@kernel.org>

Applied. Thanks
diff mbox series

Patch

diff --git a/kernel/bpf/devmap.c b/kernel/bpf/devmap.c
index 854b09beb16b..bfdff2faf5cb 100644
--- a/kernel/bpf/devmap.c
+++ b/kernel/bpf/devmap.c
@@ -479,6 +479,7 @@  static struct xdp_buff *dev_map_run_prog(struct net_device *dev,
 	struct xdp_txq_info txq = { .dev = dev };
 	u32 act;
 
+	xdp_set_data_meta_invalid(xdp);
 	xdp->txq = &txq;
 
 	act = bpf_prog_run_xdp(xdp_prog, xdp);