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| author | Takashi Iwai <tiwai@suse.de> | 2013-10-29 11:59:31 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-10-29 11:59:31 +0100 |
| commit | a40a3937222c728be925f2d78650cfe9b20be3f5 (patch) | |
| tree | 40532dfebef2dc2ae7cb1d81949eee6d2da79601 | |
| parent | 9f694bc7936a7e4e9c9efac2900cddaf71303c0a (diff) | |
| download | lwn-a40a3937222c728be925f2d78650cfe9b20be3f5.tar.gz lwn-a40a3937222c728be925f2d78650cfe9b20be3f5.zip | |
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>
| -rw-r--r-- | sound/core/memalloc.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c index 278248b8f22a..9d93f02c6285 100644 --- 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); |