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ALSA: memalloc: NULL-initialize in snd_malloc_dev_iram()
author
Takashi Iwai
<tiwai@suse.de>
Tue, 29 Oct 2013 10:59:31 +0000
(11:59 +0100)
committer
Takashi Iwai
<tiwai@suse.de>
Tue, 29 Oct 2013 10:59:31 +0000
(11:59 +0100)
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>
sound/core/memalloc.c
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diff --git
a/sound/core/memalloc.c
b/sound/core/memalloc.c
index
278248b
..
9d93f02
100644
(file)
--- a/
sound/core/memalloc.c
+++ b/
sound/core/memalloc.c
@@
-172,6
+172,9
@@
static void snd_malloc_dev_iram(struct snd_dma_buffer *dmab, size_t size)
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);