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net: ipv4: remove disable of bottom half in inet_rtm_getroute

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Nothing about the route lookup requires bottom half to be disabled.
Remove the local_bh_disable ... local_bh_enable around ip_route_input.
This appears to be a vestige of days gone by as it has been there
since the beginning of git time.

Signed-off-by: David Ahern <dsa@cumulusnetworks.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David Ahern 2017-01-07 20:04:23 -08:00 committed by David S. Miller
parent 6b0c06e0b6
commit eafea7390e
1 changed files with 0 additions and 2 deletions
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net/ipv4/route.c
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@ -2631,9 +2631,7 @@ static int inet_rtm_getroute(struct sk_buff *in_skb, struct nlmsghdr *nlh)
skb->protocol = htons(ETH_P_IP); skb->protocol = htons(ETH_P_IP);
skb->dev = dev; skb->dev = dev;
skb->mark = mark; skb->mark = mark;
local_bh_disable();
err = ip_route_input(skb, dst, src, rtm->rtm_tos, dev); err = ip_route_input(skb, dst, src, rtm->rtm_tos, dev);
local_bh_enable();
rt = skb_rtable(skb); rt = skb_rtable(skb);
if (err == 0 && rt->dst.error) if (err == 0 && rt->dst.error)