diff options
| author | Ted Lemon <source@isc.org> | 2001-04-05 20:47:34 +0000 |
|---|---|---|
| committer | Ted Lemon <source@isc.org> | 2001-04-05 20:47:34 +0000 |
| commit | 89000b2e131ca53173304aacf0cd190a0e50bce3 (patch) | |
| tree | 2c18c71d40ade51819ceb587ae847c565c7ac1a7 /common/bpf.c | |
| parent | 57710b89ae0d7fad2bc8233a0117eb5a4265018c (diff) | |
| download | isc-dhcp-89000b2e131ca53173304aacf0cd190a0e50bce3.tar.gz | |
If we get an EIO on read, the interface is gone, so delete it.
Diffstat (limited to 'common/bpf.c')
| -rw-r--r-- | common/bpf.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/common/bpf.c b/common/bpf.c index c7809f25..5e8214bf 100644 --- a/common/bpf.c +++ b/common/bpf.c @@ -47,7 +47,7 @@ #ifndef lint static char copyright[] = -"$Id: bpf.c,v 1.46 2001/02/26 22:21:05 mellon Exp $ Copyright (c) 1995-2000 The Internet Software Consortium. All rights reserved.\n"; +"$Id: bpf.c,v 1.47 2001/04/05 20:47:34 mellon Exp $ Copyright (c) 1995-2000 The Internet Software Consortium. All rights reserved.\n"; #endif /* not lint */ #include "dhcpd.h" @@ -254,7 +254,7 @@ void if_register_receive (info) if (v.bv_major != BPF_MAJOR_VERSION || v.bv_minor < BPF_MINOR_VERSION) - log_fatal ("Kernel BPF version out of range - recompile dhcpd!"); + log_fatal ("BPF version mismatch - recompile DHCP!"); /* Set immediate mode so that reads return as soon as a packet comes in, rather than waiting for the input buffer to fill with @@ -422,8 +422,14 @@ ssize_t receive_packet (interface, buf, len, from, hfrom) length = read (interface -> rfdesc, interface -> rbuf, interface -> rbuf_max); - if (length <= 0) + if (length <= 0) { + if (errno == EIO) { + dhcp_interface_remove + ((omapi_object_t *)interface, + (omapi_object_t *)0); + } return length; + } interface -> rbuf_offset = 0; interface -> rbuf_len = BPF_WORDALIGN (length); } |