azalia_free_dmamem()

[Michael W. Bombardieri]

Hello,

This free function in azalia driver can be converted to void
because it has nothing useful to return. The old return value
was never used.
azalia's other free function azalia_freem() is already void.

- Michael


Index: azalia.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/azalia.c,v
retrieving revision 1.239
diff -u -p -u -r1.239 azalia.c
--- azalia.c    23 Dec 2017 01:44:24 -0000      1.239
+++ azalia.c    9 Jan 2018 06:59:13 -0000
@@ -211,7 +211,7 @@ int azalia_get_response(azalia_t *, uint
 void   azalia_rirb_kick_unsol_events(void *);
 void   azalia_rirb_intr(azalia_t *);
 int    azalia_alloc_dmamem(azalia_t *, size_t, size_t, azalia_dma_t *);
-int    azalia_free_dmamem(const azalia_t *, azalia_dma_t*);
+void   azalia_free_dmamem(const azalia_t *, azalia_dma_t*);
 
 int    azalia_codec_init(codec_t *);
 int    azalia_codec_delete(codec_t *);
@@ -1331,17 +1331,16 @@ free:
        return err;
 }
 
-int
+void
 azalia_free_dmamem(const azalia_t *az, azalia_dma_t* d)
 {
        if (d->addr == NULL)
-               return 0;
+               return;
        bus_dmamap_unload(az->dmat, d->map);
        bus_dmamap_destroy(az->dmat, d->map);
        bus_dmamem_unmap(az->dmat, d->addr, d->size);
        bus_dmamem_free(az->dmat, d->segments, 1);
        d->addr = NULL;
-       return 0;
 }
 
 int