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| author | Garrett Wollman <wollman@FreeBSD.org> | 1994-10-11 23:16:38 +0000 |
|---|---|---|
| committer | Garrett Wollman <wollman@FreeBSD.org> | 1994-10-11 23:16:38 +0000 |
| commit | 5df7296441e98a1e91f8f41633f05bc7a6a74ed6 (patch) | |
| tree | 97b87aa06a9afc8f78538511844af7ad899b7c92 /sys/net/rtsock.c | |
| parent | fabbd9b7ce59820f7285c7cbcf6a1992bec4fe03 (diff) | |
| download | src-5df7296441e98a1e91f8f41633f05bc7a6a74ed6.tar.gz src-5df7296441e98a1e91f8f41633f05bc7a6a74ed6.zip | |
Fix a bug which caused panics when attempting to change just the flags of
a route. (This still doesn't work, but it doesn't panic now.) It looks
like there may be a number of incipient bugs in this code.
Also, get ready for the time when all IP gateway routes are cloning, which
is necessary to keep proper TCP statistics.
Notes
Notes:
svn path=/head/; revision=3514
Diffstat (limited to 'sys/net/rtsock.c')
| -rw-r--r-- | sys/net/rtsock.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/sys/net/rtsock.c b/sys/net/rtsock.c index 3341a42c4310..d482a9796ee0 100644 --- a/sys/net/rtsock.c +++ b/sys/net/rtsock.c @@ -31,7 +31,7 @@ * SUCH DAMAGE. * * @(#)rtsock.c 8.3 (Berkeley) 1/4/94 - * $Id: rtsock.c,v 1.5 1994/10/05 20:11:28 wollman Exp $ + * $Id: rtsock.c,v 1.6 1994/10/08 22:38:26 phk Exp $ */ #include <sys/param.h> @@ -253,6 +253,17 @@ route_output(m, so) case RTM_CHANGE: if (gate && rt_setgate(rt, rt_key(rt), gate)) senderr(EDQUOT); + + /* + * If they tried to change things but didn't specify + * the required gateway, then just use the old one. + * This can happen if the user tries to change the + * flags on the default route without changing the + * default gateway. Changing flags still doesn't work. + */ + if ((rt->rt_flags & RTF_GATEWAY) && !gate) + gate = rt->rt_gateway; + /* new gateway could require new ifaddr, ifp; flags may also be different; ifp may be specified by ll sockaddr when protocol address is ambiguous */ |