Commit 35f493b8 authored Sep 25, 2017 by Eric Dumazet Committed by David S. Miller Sep 28, 2017

inetpeer: fix RCU lookup() again



My prior fix was not complete, as we were dereferencing a pointer
three times per node, not twice as I initially thought.

Fixes: 4cc5b44b ("inetpeer: fix RCU lookup()")
Fixes: b145425f ("inetpeer: remove AVL implementation in favor of RB tree")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 2d3924c2

net/ipv4/inetpeer.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -128,9 +128,9 @@ static struct inet_peer lookup(const struct inetpeer_addr daddr,
		break;
		}
		if (cmp == -1)
		pp = &(*pp)->rb_left;
		pp = &next->rb_left;
		else
		pp = &(*pp)->rb_right;
		pp = &next->rb_right;
		}
		*parent_p = parent;
		*pp_p = pp;

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