> diff --git a/drivers/infiniband/sw/rxe/rxe_recv.c b/drivers/infiniband/sw/rxe/rxe_recv.c
> index 46f0628..252b4d6 100644
> --- a/drivers/infiniband/sw/rxe/rxe_recv.c
> +++ b/drivers/infiniband/sw/rxe/rxe_recv.c
> @@ -391,16 +391,15 @@ int rxe_rcv(struct sk_buff *skb)
> payload_size(pkt));
> calc_icrc = cpu_to_be32(~calc_icrc);
> if (unlikely(calc_icrc != pack_icrc)) {
> - char saddr[sizeof(struct in6_addr)];
> -
> if (skb->protocol == htons(ETH_P_IPV6))
> - sprintf(saddr, "%pI6", &ipv6_hdr(skb)->saddr);
> + pr_warn_ratelimited("bad ICRC from %pI6c\n",
> + &ipv6_hdr(skb)->saddr);
> else if (skb->protocol == htons(ETH_P_IP))
> - sprintf(saddr, "%pI4", &ip_hdr(skb)->saddr);
> + pr_warn_ratelimited("bad ICRC from %pI4\n",
> + &ip_hdr(skb)->saddr);
> else
> - sprintf(saddr, "unknown");
> + pr_warn_ratelimited("bad ICRC from unknown\n");
>
> - pr_warn_ratelimited("bad ICRC from %s\n", saddr);
> goto drop;
> }
Have you considered Bart's suggestion to use %pIS instead of %pI4 and %pI6
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1067964305df
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