[PATCH 4/4] ASoC: Fix resource leask in smdk_spdif.c

From: Axel Lin
Date: Fri Nov 26 2010 - 01:49:26 EST


Properly free allocated resources in smdk_init() error path.
Add missing platform_device_unregister() in smdk_exit().

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
---
sound/soc/samsung/smdk_spdif.c | 13 +++++++++----
1 files changed, 9 insertions(+), 4 deletions(-)

diff --git a/sound/soc/samsung/smdk_spdif.c b/sound/soc/samsung/smdk_spdif.c
index fe43eaf..82d17dc 100644
--- a/sound/soc/samsung/smdk_spdif.c
+++ b/sound/soc/samsung/smdk_spdif.c
@@ -183,7 +183,7 @@ static int __init smdk_init(void)

ret = platform_device_add(smdk_snd_spdif_dit_device);
if (ret)
- goto err2;
+ goto err1;

smdk_snd_spdif_device = platform_device_alloc("soc-audio", -1);
if (!smdk_snd_spdif_device) {
@@ -195,17 +195,21 @@ static int __init smdk_init(void)

ret = platform_device_add(smdk_snd_spdif_device);
if (ret)
- goto err1;
+ goto err3;

/* Set audio clock hierarchy manually */
ret = set_audio_clock_heirachy(smdk_snd_spdif_device);
if (ret)
- goto err1;
+ goto err4;

return 0;
-err1:
+err4:
+ platform_device_del(smdk_snd_spdif_device);
+err3:
platform_device_put(smdk_snd_spdif_device);
err2:
+ platform_device_del(smdk_snd_spdif_dit_device);
+err1:
platform_device_put(smdk_snd_spdif_dit_device);
return ret;
}
@@ -213,6 +217,7 @@ err2:
static void __exit smdk_exit(void)
{
platform_device_unregister(smdk_snd_spdif_device);
+ platform_device_unregister(smdk_snd_spdif_dit_device);
}

module_init(smdk_init);
--
1.7.2



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