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net: mctp: remove redundant RTN_UNICAST check

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Current mctp_newroute() contains two exactly same check against
rtm->rtm_type

static int mctp_newroute(...)
{
...
    if (rtm->rtm_type != RTN_UNICAST) { // (1)
        NL_SET_ERR_MSG(extack, "rtm_type must be RTN_UNICAST");
        return -EINVAL;
    }
...
    if (rtm->rtm_type != RTN_UNICAST) // (2)
        return -EINVAL;
...
}

This commits removes the (2) check as it is redundant.

Signed-off-by: Lin Ma <linma@zju.edu.cn>
Reviewed-by: Pavan Chebbi <pavan.chebbi@broadcom.com>
Acked-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://lore.kernel.org/r/20230615152240.1749428-1-linma@zju.edu.cn
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Lin Ma 2023-06-15 23:22:40 +08:00 committed by Jakub Kicinski
parent 6907217a80
commit f60ce8a48b
1 changed files with 0 additions and 3 deletions
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3
net/mctp/route.c
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@ -1249,9 +1249,6 @@ static int mctp_newroute(struct sk_buff *skb, struct nlmsghdr *nlh,
mtu = nla_get_u32(tbx[RTAX_MTU]);
}
if (rtm->rtm_type != RTN_UNICAST)
return -EINVAL;
rc = mctp_route_add(mdev, daddr_start, rtm->rtm_dst_len, mtu,
rtm->rtm_type);
return rc;