Ensure at least the specified ringbuffer size is writable

Previously, all but one of the specified size could be written (so for a size
of n, only n-1 was guaranteed writable). All users pretty much compensated for
this, but it makes more sense to fix it at the source.

1 files changed, 1 insertions, 1 deletions

diff --git a/Alc/backends/oss.c b/Alc/backends/oss.c
index 61d25476..c0c98c43 100644
--- a/Alc/backends/oss.c
+++ b/Alc/backends/oss.c
@@ -729,7 +729,7 @@ static ALCenum ALCcaptureOSS_open(ALCcaptureOSS *self, const ALCchar *name)
         return ALC_INVALID_VALUE;
     }
 
-    self->ring = ll_ringbuffer_create(device->UpdateSize*device->NumUpdates + 1, frameSize, false);
+    self->ring = ll_ringbuffer_create(device->UpdateSize*device->NumUpdates, frameSize, false);
     if(!self->ring)
     {
         ERR("Ring buffer create failed\n");