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authorDonald Sharp <sharpd@nvidia.com>2020-09-24 07:42:51 -0400
committerDonald Sharp <sharpd@nvidia.com>2020-09-24 07:42:51 -0400
commit9781e6a047f7ec97855bb53bdeb7b42723f88b45 (patch)
tree8a4adda574bf6e10fdea33d2abf60c6bf36f0d5b /zebra/kernel_netlink.c
parentccda0eadac743dd4e9b02d6c28b226ef6e8f90b3 (diff)
zebra: Don't ignore setsockopt return
When attempting to limit the amount of data sent from the kernel to FRR, some kernels we can run against may not have this ability in which case the setsockopt will fail. Notice that in the log. Signed-off-by: Donald Sharp <sharpd@nvidia.com>
Diffstat (limited to 'zebra/kernel_netlink.c')
-rw-r--r--zebra/kernel_netlink.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/zebra/kernel_netlink.c b/zebra/kernel_netlink.c
index ad0d4bf56b..c53d28a18c 100644
--- a/zebra/kernel_netlink.c
+++ b/zebra/kernel_netlink.c
@@ -1462,6 +1462,9 @@ void kernel_init(struct zebra_ns *zns)
one = 1;
ret = setsockopt(zns->netlink_dplane.sock, SOL_NETLINK, NETLINK_CAP_ACK,
&one, sizeof(one));
+ if (ret < 0)
+ zlog_notice(
+ "Registration for reduced ACK packet size failed, probably running an early kernel");
#endif
/* Register kernel socket. */