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| author | Bill Fenner <fenner@FreeBSD.org> | 2001-10-17 04:12:29 +0000 |
|---|---|---|
| committer | Bill Fenner <fenner@FreeBSD.org> | 2001-10-17 04:12:29 +0000 |
| commit | b9d45cebf476588f9bbe0c5534fd3a7cb2f0528e (patch) | |
| tree | 3a092a48e9ca517c0577423fc3e3894299750bb4 /sys/net/if_mib.c | |
| parent | 2856a77139a76205cd66217939530c786622e23c (diff) | |
| download | src-b9d45cebf476588f9bbe0c5534fd3a7cb2f0528e.tar.gz src-b9d45cebf476588f9bbe0c5534fd3a7cb2f0528e.zip | |
The interface index space may be sparsely populated (e.g. when an
interface in the middle is if_detach()'d). Return (and handle)
ENOENT when the ifmib(4) is accessed for a nonexistent interface.
MFC after: 14 days
Notes
Notes:
svn path=/head/; revision=85040
Diffstat (limited to 'sys/net/if_mib.c')
| -rw-r--r-- | sys/net/if_mib.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/net/if_mib.c b/sys/net/if_mib.c index 5b04cbb2ba32..b8e7ed6f6766 100644 --- a/sys/net/if_mib.c +++ b/sys/net/if_mib.c @@ -80,7 +80,8 @@ sysctl_ifdata(SYSCTL_HANDLER_ARGS) /* XXX bad syntax! */ if (namelen != 2) return EINVAL; - if (name[0] <= 0 || name[0] > if_index) + if (name[0] <= 0 || name[0] > if_index || + ifaddr_byindex(name[0]) == NULL) return ENOENT; ifp = ifaddr_byindex(name[0])->ifa_ifp; |