From: Xin Long lucien.xin@gmail.com
commit cd33bdcbead882c2e58fdb4a54a7bd75b610a452 upstream.
As Jakub noticed, prints should be avoided on the datapath. Also, as packets would never come to the else branch in ping_lookup(), remove pr_err() from ping_lookup().
Fixes: 35a79e64de29 ("ping: fix the dif and sdif check in ping_lookup") Reported-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Xin Long lucien.xin@gmail.com Link: https://lore.kernel.org/r/1ef3f2fcd31bd681a193b1fcf235eee1603819bd.164567406... Signed-off-by: Jakub Kicinski kuba@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/ipv4/ping.c | 1 - 1 file changed, 1 deletion(-)
--- a/net/ipv4/ping.c +++ b/net/ipv4/ping.c @@ -187,7 +187,6 @@ static struct sock *ping_lookup(struct n (int)ident, &ipv6_hdr(skb)->daddr, dif); #endif } else { - pr_err("ping: protocol(%x) is not supported\n", ntohs(skb->protocol)); return NULL; }