diff options
| author | Alex Wang <alexw@nicira.com> | 2013-10-18 17:27:51 -0700 |
|---|---|---|
| committer | Ben Pfaff <blp@nicira.com> | 2013-10-21 15:54:19 -0700 |
| commit | c51876c3af8fb5ceb750cdde2b836083166e35e7 (patch) | |
| tree | e821bd894d87ac974d2d5f2b35e7617927fae918 | |
| parent | a7a2d006baae4152d338bd0bb4de1687084b1b07 (diff) | |
odp-execute: Fix possible segfault.
In current code, the odp_execute_actions() function does not check
the value of "userspace" function pointer before invoking it. This
patch adds a check for it.
Signed-off-by: Alex Wang <alexw@nicira.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
| -rw-r--r-- | lib/odp-execute.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/odp-execute.c b/lib/odp-execute.c index 185cf319..19fcc1c1 100644 --- a/lib/odp-execute.c +++ b/lib/odp-execute.c @@ -200,7 +200,9 @@ odp_execute_actions(void *dp, struct ofpbuf *packet, struct flow *key, break; case OVS_ACTION_ATTR_USERSPACE: { - userspace(dp, packet, key, a); + if (userspace) { + userspace(dp, packet, key, a); + } break; } |