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lib: permit BFD library users to pass NULL

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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 <rzalamena@opensourcerouting.org>
This commit is contained in:
Rafael Zalamena 2020-05-31 08:28:05 -03:00
parent c2afd32f36
commit 6a6b103657
1 changed files with 6 additions and 4 deletions
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10
lib/bfd.c
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@ -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)