[PATCH v2 net-next 01/13] ipv4: Define fib_get_nhs when CONFIG_IP_ROUTE_MULTIPATH is disabled
From: David Ahern <dsahern@kernel.org>
Date: 2019-03-27 18:23:34
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
From: David Ahern <redacted> Define fib_get_nhs to return EINVAL when CONFIG_IP_ROUTE_MULTIPATH is not enabled and remove the ifdef check for CONFIG_IP_ROUTE_MULTIPATH in fib_create_info. Signed-off-by: David Ahern <redacted> Reviewed-by: Ido Schimmel <redacted> --- net/ipv4/fib_semantics.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 8e185b5a2bf6..b5dbbdfd1e49 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c@@ -601,6 +601,15 @@ static void fib_rebalance(struct fib_info *fi) } #else /* CONFIG_IP_ROUTE_MULTIPATH */ +static int fib_get_nhs(struct fib_info *fi, struct rtnexthop *rtnh, + int remaining, struct fib_config *cfg, + struct netlink_ext_ack *extack) +{ + NL_SET_ERR_MSG(extack, "Multipath support not enabled in kernel"); + + return -EINVAL; +} + #define fib_rebalance(fi) do { } while (0) #endif /* CONFIG_IP_ROUTE_MULTIPATH */
@@ -1102,7 +1111,6 @@ struct fib_info *fib_create_info(struct fib_config *cfg, } endfor_nexthops(fi) if (cfg->fc_mp) { -#ifdef CONFIG_IP_ROUTE_MULTIPATH err = fib_get_nhs(fi, cfg->fc_mp, cfg->fc_mp_len, cfg, extack); if (err != 0) goto failure;
@@ -1123,11 +1131,6 @@ struct fib_info *fib_create_info(struct fib_config *cfg, goto err_inval; } #endif -#else - NL_SET_ERR_MSG(extack, - "Multipath support not enabled in kernel"); - goto err_inval; -#endif } else { struct fib_nh *nh = fi->fib_nh;
--
2.11.0