diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/pinger.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/core/pinger.c b/src/core/pinger.c index 558cfb49a..31ea2ce1c 100644 --- a/src/core/pinger.c +++ b/src/core/pinger.c @@ -166,7 +166,7 @@ static void pinger_expired ( struct retry_timer *timer, int over __unused ) { int rc; /* If no response has been received, notify the callback function */ - if ( pinger->pending ) + if ( pinger->pending && pinger->callback ) pinger->callback ( NULL, pinger->sequence, 0, -ETIMEDOUT ); /* Check for termination */ @@ -263,8 +263,9 @@ static int pinger_deliver ( struct pinger *pinger, struct io_buffer *iobuf, /* Discard I/O buffer */ free_iob ( iobuf ); - /* Notify callback function */ - pinger->callback ( meta->src, sequence, len, rc ); + /* Notify callback function, if applicable */ + if ( pinger->callback ) + pinger->callback ( meta->src, sequence, len, rc ); /* Terminate if applicable */ if ( terminate ) @@ -301,6 +302,7 @@ static struct interface_descriptor pinger_job_desc = * @v timeout Timeout (in ticks) * @v len Payload length * @v count Number of packets to send (or zero for no limit) + * @v callback Callback function (or NULL) * @ret rc Return status code */ int create_pinger ( struct interface *job, const char *hostname, |