From 6a6b1036579bf2ed1e8c71957e4dce2e4b09ae2c Mon Sep 17 00:00:00 2001 From: Rafael Zalamena Date: Sun, 31 May 2020 08:28:05 -0300 Subject: [PATCH] lib: permit BFD library users to pass NULL Add the proper handling for cases where user forgets or doesn't have the pointer needed to call the library function. Signed-off-by: Rafael Zalamena --- lib/bfd.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/lib/bfd.c b/lib/bfd.c index 2d86acbbf4..7c84648d91 100644 --- a/lib/bfd.c +++ b/lib/bfd.c @@ -158,9 +158,11 @@ void bfd_peer_sendmsg(struct zclient *zclient, struct bfd_info *bfd_info, args.command = command; args.set_flag = set_flag; args.bfd_info = bfd_info; - args.min_rx = bfd_info->required_min_rx; - args.min_tx = bfd_info->desired_min_tx; - args.detection_multiplier = bfd_info->detect_mult; + if (args.bfd_info) { + args.min_rx = bfd_info->required_min_rx; + args.min_tx = bfd_info->desired_min_tx; + args.detection_multiplier = bfd_info->detect_mult; + } addrlen = family == AF_INET ? sizeof(struct in_addr) : sizeof(struct in6_addr); @@ -502,7 +504,7 @@ int zclient_bfd_command(struct zclient *zc, struct bfd_session_arg *args) } /* Write registration indicator into data structure. */ - if (args->set_flag) { + if (args->bfd_info && args->set_flag) { if (args->command == ZEBRA_BFD_DEST_REGISTER) SET_FLAG(args->bfd_info->flags, BFD_FLAG_BFD_REG); else if (args->command == ZEBRA_BFD_DEST_DEREGISTER) -- 2.39.5