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ping: remove pr_err from ping_lookup

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commit cd33bdcbea 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: 35a79e64de ("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.1645674068.git.lucien.xin@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Xin Long 2022-02-23 22:41:08 -05:00 committed by Greg Kroah-Hartman
parent 5da17865c7
commit 5419b5be88
1 changed files with 0 additions and 1 deletions
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1
net/ipv4/ping.c
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@ -187,7 +187,6 @@ static struct sock *ping_lookup(struct net *net, struct sk_buff *skb, u16 ident)
(int)ident, &ipv6_hdr(skb)->daddr, dif); (int)ident, &ipv6_hdr(skb)->daddr, dif);
#endif #endif
} else { } else {
pr_err("ping: protocol(%x) is not supported\n", ntohs(skb->protocol));
return NULL; return NULL;
} }