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authorAxel Lin <axel.lin@gmail.com>2010-11-25 15:14:03 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2010-11-25 11:10:11 +0000
commit09de9533348632fbbf32ce618f669882aa718817 (patch)
tree79630544789dadefefdd911fa9407a9f1a948c95 /sound
parentac8f924af555573e29b126ac5cef4fdd122ae517 (diff)
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ASoC: phycore-ac97: fix resource leak
Fix imx_phycore_init() error path and imx_phycore_exit() to properly free allocated resources. Signed-off-by: Axel Lin <axel.lin@gmail.com> Acked-by: Sascha Hauer <s.hauer@pengutronix.de> Acked-by: Liam Girdwood <lrg@slimlogic.co.uk> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/imx/phycore-ac97.c28
1 files changed, 21 insertions, 7 deletions
diff --git a/sound/soc/imx/phycore-ac97.c b/sound/soc/imx/phycore-ac97.c
index 39f23734781..9eabc28667e 100644
--- a/sound/soc/imx/phycore-ac97.c
+++ b/sound/soc/imx/phycore-ac97.c
@@ -43,6 +43,7 @@ static struct snd_soc_card imx_phycore = {
.num_links = ARRAY_SIZE(imx_phycore_dai_ac97),
};
+static struct platform_device *imx_phycore_snd_ac97_device;
static struct platform_device *imx_phycore_snd_device;
static int __init imx_phycore_init(void)
@@ -53,29 +54,42 @@ static int __init imx_phycore_init(void)
/* return happy. We might run on a totally different machine */
return 0;
- imx_phycore_snd_device = platform_device_alloc("soc-audio", -1);
- if (!imx_phycore_snd_device)
+ imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1);
+ if (!imx_phycore_snd_ac97_device)
return -ENOMEM;
- platform_set_drvdata(imx_phycore_snd_device, &imx_phycore);
- ret = platform_device_add(imx_phycore_snd_device);
+ platform_set_drvdata(imx_phycore_snd_ac97_device, &imx_phycore);
+ ret = platform_device_add(imx_phycore_snd_ac97_device);
+ if (ret)
+ goto fail1;
imx_phycore_snd_device = platform_device_alloc("wm9712-codec", -1);
- if (!imx_phycore_snd_device)
- return -ENOMEM;
+ if (!imx_phycore_snd_device) {
+ ret = -ENOMEM;
+ goto fail2;
+ }
ret = platform_device_add(imx_phycore_snd_device);
if (ret) {
printk(KERN_ERR "ASoC: Platform device allocation failed\n");
- platform_device_put(imx_phycore_snd_device);
+ goto fail3;
}
+ return 0;
+
+fail3:
+ platform_device_put(imx_phycore_snd_device);
+fail2:
+ platform_device_del(imx_phycore_snd_ac97_device);
+fail1:
+ platform_device_put(imx_phycore_snd_ac97_device);
return ret;
}
static void __exit imx_phycore_exit(void)
{
platform_device_unregister(imx_phycore_snd_device);
+ platform_device_unregister(imx_phycore_snd_ac97_device);
}
late_initcall(imx_phycore_init);