fib_rules: Fix dump_rules() not to exit early

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[ Upstream commit 8ea4b34355 ]

Backports of 41fc014332 ("fib_rules: fix fib rule dumps across
multiple skbs") introduced a regression in "ip rule show" - it ends up
dumping the first rule over and over and never exiting, because 3.19
and earlier are missing commit 053c095a82 ("netlink: make
nlmsg_end() and genlmsg_end() void"), so fib_nl_fill_rule() ends up
returning skb->len (i.e. > 0) in the success case.

Fix this by checking the return code for < 0 instead of != 0.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>

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Roland Dreier 2015-10-05 10:29:28 -07:00 • committed by Sasha Levin

parent 7f61fd99a6

commit cb4b2ae695

1 changed files with 1 additions and 1 deletions

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net/core/fib_rules.c

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