From 954ffcdb0e16495152b613d11d205d0f31350793 Mon Sep 17 00:00:00 2001 From: "Suren A. Chilingaryan" Date: Tue, 22 Mar 2016 19:19:17 +0100 Subject: Fix minor error in rarely used path --- data.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'data.c') diff --git a/data.c b/data.c index 8f681e9..5a66835 100644 --- a/data.c +++ b/data.c @@ -79,7 +79,7 @@ ready: } static int ipecamera_get_next_buffer_to_process(ipecamera_t *ctx, pcilib_event_id_t *evid) { - int res; + int err, res; if (ctx->preproc_id == ctx->event_id) return -1; @@ -101,9 +101,10 @@ static int ipecamera_get_next_buffer_to_process(ipecamera_t *ctx, pcilib_event_i res = ctx->preproc_id%ctx->buffer_size; - if (pthread_rwlock_trywrlock(&ctx->frame[res].mutex)) { - pthread_mutex_unlock(&ctx->preproc_mutex); - ipecamera_debug(HARDWARE, "Can't lock buffer %i", res); + if ((err = pthread_rwlock_trywrlock(&ctx->frame[res].mutex)) != 0) { + if (ctx->preproc) + pthread_mutex_unlock(&ctx->preproc_mutex); + ipecamera_debug(HARDWARE, "Can't lock buffer %i, errno %i", res, err); return -1; } -- cgit v1.2.3