ALSA: memalloc: NULL-initialize in snd_malloc_dev_iram()
dmab->area and addr fields should be cleared at the head of
snd_malloc_dev_iram() as especially dmab->area is used to indicate the
allocation failure / fallback.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c
index 278248b..9d93f02 100644
--- a/sound/core/memalloc.c
+++ b/sound/core/memalloc.c
@@ -172,6 +172,9 @@
struct device *dev = dmab->dev.dev;
struct gen_pool *pool = NULL;
+ dmab->area = NULL;
+ dmab->addr = 0;
+
if (dev->of_node)
pool = of_get_named_gen_pool(dev->of_node, "iram", 0);