diff options
| author | andre <andre@FreeBSD.org> | 2004-10-22 19:12:01 +0000 |
|---|---|---|
| committer | andre <andre@FreeBSD.org> | 2004-10-22 19:12:01 +0000 |
| commit | 7c8480e7f11fad81e536997abda225a00a1c9205 (patch) | |
| tree | 7af980e647a0f6d61156e19a2aa7d4031fe5894f /sys/netinet/ip_divert.c | |
| parent | 976462622a7aaec6c473905747b400a314ad76bb (diff) | |
| download | FreeBSD-src-7c8480e7f11fad81e536997abda225a00a1c9205.zip FreeBSD-src-7c8480e7f11fad81e536997abda225a00a1c9205.tar.gz | |
Refuse to unload the ipdivert module unless the 'force' flag is given to kldunload.
Reflect the fact that IPDIVERT is a loadable module in the divert(4) and ipfw(8)
man pages.
Diffstat (limited to 'sys/netinet/ip_divert.c')
| -rw-r--r-- | sys/netinet/ip_divert.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/sys/netinet/ip_divert.c b/sys/netinet/ip_divert.c index d3efde0..7be0e35 100644 --- a/sys/netinet/ip_divert.c +++ b/sys/netinet/ip_divert.c @@ -688,8 +688,18 @@ div_modevent(module_t mod, int type, void *unused) err = pf_proto_register(PF_INET, &div_protosw); ip_divert_ptr = divert_packet; break; + case MOD_QUIESCE: + /* + * IPDIVERT may normally not be unloaded because of the + * potential race conditions. Tell kldunload we can't be + * unloaded unless the unload is forced. + */ + err = EPERM; + break; case MOD_UNLOAD: /* + * Forced unload. + * * Module ipdivert can only be unloaded if no sockets are * connected. Maybe this can be changed later to forcefully * disconnect any open sockets. @@ -712,7 +722,7 @@ div_modevent(module_t mod, int type, void *unused) uma_zdestroy(divcbinfo.ipi_zone); break; default: - return EINVAL; + err = EOPNOTSUPP; break; } return err; |
