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authorStanislav Fomichev <sdf@google.com>2024-03-18 09:54:27 -0700
committerDaniel Borkmann <daniel@iogearbox.net>2024-03-19 13:47:29 +0100
commitf6e922365faf4cd576bd1cf3e64b58c8a32e1856 (patch)
treec372a3f31a8e6f41af1bcd51c6187805f8da8503 /include
parent0740b6427e90ef03177888c50dc1c78ca6e0f7f0 (diff)
downloadlinux-f6e922365faf4cd576bd1cf3e64b58c8a32e1856.tar.gz
xsk: Don't assume metadata is always requested in TX completion
`compl->tx_timestam != NULL` means that the user has explicitly requested the metadata via XDP_TX_METADATA+XDP_TX_METADATA_TIMESTAMP. Fixes: 48eb03dd2630 ("xsk: Add TX timestamp and TX checksum offload support") Reported-by: Daniele Salvatore Albano <d.albano@gmail.com> Signed-off-by: Stanislav Fomichev <sdf@google.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Tested-by: Daniele Salvatore Albano <d.albano@gmail.com> Link: https://lore.kernel.org/bpf/20240318165427.1403313-1-sdf@google.com
Diffstat (limited to 'include')
-rw-r--r--include/net/xdp_sock.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/xdp_sock.h b/include/net/xdp_sock.h
index 3cb4dc9bd70e44..3d54de168a6d9d 100644
--- a/include/net/xdp_sock.h
+++ b/include/net/xdp_sock.h
@@ -188,6 +188,8 @@ static inline void xsk_tx_metadata_complete(struct xsk_tx_metadata_compl *compl,
{
if (!compl)
return;
+ if (!compl->tx_timestamp)
+ return;
*compl->tx_timestamp = ops->tmo_fill_timestamp(priv);
}