diff options
| author | Harald Welte <laforge@gnumonks.org> | 2017-04-27 12:24:38 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2017-04-27 12:24:38 +0200 |
| commit | fa3325fb8b2f8bf31593b24e4e50693916feef1e (patch) | |
| tree | 633a12c08b43868ddb496b244fb0a047a49928ca | |
| parent | 982c0ce33787443cdef9f342eb5fac30e806cd8e (diff) | |
osmo_ss7_user_unregister(): Don't dereference NULL user
The 'user' argument to osmo_ss7_user_unregister() can be NULL, so let's
make sure we don't dereference it.
Change-Id: Ia34b181dcbcb179b2639e2f405364cc952069842
Fixes: coverity CID#166933
| -rw-r--r-- | src/osmo_ss7.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/osmo_ss7.c b/src/osmo_ss7.c index 31c0dc5..d952ecd 100644 --- a/src/osmo_ss7.c +++ b/src/osmo_ss7.c @@ -442,7 +442,8 @@ int osmo_ss7_user_unregister(struct osmo_ss7_instance *inst, uint8_t service_ind if (user && (inst->user[service_ind] != user)) return -EINVAL; - user->inst = NULL; + if (user) + user->inst = NULL; inst->user[service_ind] = NULL; return 0; |