diff options
Diffstat (limited to 'drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c')
| -rw-r--r-- | drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c index 4360db6d4392..b3176f42c820 100644 --- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c +++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c @@ -834,6 +834,7 @@ static int send_synchronous_mmal_msg(struct vchiq_mmal_instance *instance, { struct mmal_msg_context *msg_context; int ret; + unsigned long timeout; /* payload size must not cause message to exceed max size */ if (payload_len > @@ -872,11 +873,11 @@ static int send_synchronous_mmal_msg(struct vchiq_mmal_instance *instance, return ret; } - ret = wait_for_completion_timeout(&msg_context->u.sync.cmplt, 3 * HZ); - if (ret <= 0) { - pr_err("error %d waiting for sync completion\n", ret); - if (ret == 0) - ret = -ETIME; + timeout = wait_for_completion_timeout(&msg_context->u.sync.cmplt, + 3 * HZ); + if (timeout == 0) { + pr_err("timed out waiting for sync completion\n"); + ret = -ETIME; /* todo: what happens if the message arrives after aborting */ release_msg_context(msg_context); return ret; |