[bpf PATCH v3 3/6] bpf, sockmap: Use truesize with sk_rmem_schedule()

[John Fastabend]

We use skb->size with sk_rmem_scheduled() which is not correct. Instead
use truesize to align with socket and tcp stack usage of sk_rmem_schedule.

Suggested-by: Daniel Borkman <dan...@iogearbox.net>
Reviewed-by: Jakub Sitnicki <ja...@cloudflare.com>
Signed-off-by: John Fastabend <john.fastab...@gmail.com>
---
 net/core/skmsg.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/net/core/skmsg.c b/net/core/skmsg.c
index fe44280c033e..d09426ce4af3 100644
--- a/net/core/skmsg.c
+++ b/net/core/skmsg.c
@@ -411,7 +411,7 @@ static int sk_psock_skb_ingress(struct sk_psock *psock, 
struct sk_buff *skb)
        msg = kzalloc(sizeof(*msg), __GFP_NOWARN | GFP_ATOMIC);
        if (unlikely(!msg))
                return -EAGAIN;
-       if (!sk_rmem_schedule(sk, skb, skb->len)) {
+       if (!sk_rmem_schedule(sk, skb, skb->truesize)) {
                kfree(msg);
                return -EAGAIN;
        }