Small optimization from Paul Davis

diff --git a/src/pcm/pcm.c b/src/pcm/pcm.c
index f0590d14dff2c4047b0b8d20c0d3ea52b9e8d418..23185aeb62f53520213c2280bb373b6e1b0e260b 100644 (file)
--- a/src/pcm/pcm.c
+++ b/src/pcm/pcm.c
@@ -4032,11 +4032,11 @@ int snd_pcm_mmap_begin(snd_pcm_t *pcm,
        else
                *areas = pcm->running_areas;
        *offset = *pcm->appl_ptr % pcm->buffer_size;
+       cont = pcm->buffer_size - *offset;
        avail = snd_pcm_mmap_avail(pcm);
        f = *frames;
        if (f > avail)
                f = avail;
-       cont = pcm->buffer_size - *pcm->appl_ptr % pcm->buffer_size;
        if (f > cont)
                f = cont;
        *frames = f;