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xsk: Fix typo in xsk_umem_consume_tx and xsk_generic_xmit comments

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s/backpreassure/backpressure/

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Acked-by: Magnus Karlsson <magnus.karlsson@intel.com>
Link: https://lore.kernel.org/bpf/20200421232927.21082-1-tklauser@distanz.ch
This commit is contained in:
Tobias Klauser 2020-04-22 01:29:27 +02:00 committed by Alexei Starovoitov
parent 082b57e3eb
commit 0a05861f80
1 changed files with 2 additions and 2 deletions
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4
net/xdp/xsk.c
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@ -322,7 +322,7 @@ bool xsk_umem_consume_tx(struct xdp_umem *umem, struct xdp_desc *desc)
if (!xskq_cons_peek_desc(xs->tx, desc, umem))
continue;
/* This is the backpreassure mechanism for the Tx path.
/* This is the backpressure mechanism for the Tx path.
* Reserve space in the completion queue and only proceed
* if there is space in it. This avoids having to implement
* any buffering in the Tx path.
@ -406,7 +406,7 @@ static int xsk_generic_xmit(struct sock *sk)
addr = desc.addr;
buffer = xdp_umem_get_data(xs->umem, addr);
err = skb_store_bits(skb, 0, buffer, len);
/* This is the backpreassure mechanism for the Tx path.
/* This is the backpressure mechanism for the Tx path.
* Reserve space in the completion queue and only proceed
* if there is space in it. This avoids having to implement
* any buffering in the Tx path.