netdev - Re: [PATCH net-next v5 06/12] net: homa: create homa_peer.h and homa

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Message-ID: <20250107061510.0adcf6c6@kernel.org>
Date: Tue, 7 Jan 2025 06:15:10 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: John Ousterhout <ouster@...stanford.edu>
Cc: netdev@...r.kernel.org, pabeni@...hat.com, edumazet@...gle.com,
 horms@...nel.org
Subject: Re: [PATCH net-next v5 06/12] net: homa: create homa_peer.h and
 homa_peer.c

On Mon,  6 Jan 2025 10:12:12 -0800 John Ousterhout wrote:
> +void homa_dst_refresh(struct homa_peertab *peertab, struct homa_peer *peer,
> +		      struct homa_sock *hsk)
> +{
> +	struct dst_entry *dst;
> +
> +	spin_lock_bh(&peertab->write_lock);
> +	dst = homa_peer_get_dst(peer, &hsk->inet);
> +	if (!IS_ERR(dst)) {
> +		struct homa_dead_dst *dead = (struct homa_dead_dst *)
> +				kmalloc(sizeof(*dead), GFP_KERNEL);

coccicheck says:

net/homa/homa_peer.c:227:32-52: WARNING: casting value returned by memory allocation function to (struct homa_dead_dst *) is useless.
-- 
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