diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-06-10 05:30:17 -0300 |
| commit | d635711daa98be86d4c7fd01499c34f566b54ccb (patch) | |
| tree | aa5cc3760a27c3d57146498cb82fa549547de06c /net/decnet | |
| parent | c91265cd0efb83778f015b4d4b1129bd2cfd075e (diff) | |
Linux-libre 4.6.2-gnu
Diffstat (limited to 'net/decnet')
| -rw-r--r-- | net/decnet/dn_route.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index 607a14f20..b1dc096d2 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -1034,10 +1034,13 @@ source_ok: if (!fld.daddr) { fld.daddr = fld.saddr; - err = -EADDRNOTAVAIL; if (dev_out) dev_put(dev_out); + err = -EINVAL; dev_out = init_net.loopback_dev; + if (!dev_out->dn_ptr) + goto out; + err = -EADDRNOTAVAIL; dev_hold(dev_out); if (!fld.daddr) { fld.daddr = @@ -1110,6 +1113,8 @@ source_ok: if (dev_out == NULL) goto out; dn_db = rcu_dereference_raw(dev_out->dn_ptr); + if (!dn_db) + goto e_inval; /* Possible improvement - check all devices for local addr */ if (dn_dev_islocal(dev_out, fld.daddr)) { dev_put(dev_out); @@ -1151,6 +1156,8 @@ select_source: dev_put(dev_out); dev_out = init_net.loopback_dev; dev_hold(dev_out); + if (!dev_out->dn_ptr) + goto e_inval; fld.flowidn_oif = dev_out->ifindex; if (res.fi) dn_fib_info_put(res.fi); |