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| author | Jarkko Nikula <jarkko.nikula@nokia.com> | 2008-08-26 12:32:57 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2008-08-26 12:44:03 +0200 |
| commit | e784539fe81490a982a013621d39a60c4fce427e (patch) | |
| tree | 1d809f790fe19a8faf46c9baa1da7dcf8b983a04 /sound/soc/omap/n810.c | |
| parent | ALSA: oxygen: prevent muting of nonexistent AC97 controls (diff) | |
| download | linux-e784539fe81490a982a013621d39a60c4fce427e.tar.xz linux-e784539fe81490a982a013621d39a60c4fce427e.zip | |
ALSA: ASoC: Fix error paths in N810 machine driver init and release clocks at exit
Thanks to Felipe Balbi <felipe.balbi@nokia.com> by noticing that if clk_get
to sys_clkout2_src fails, then n810_snd_device is never released.
Add also sys_clkout2_src release into error path, error code return and
release the clocks at exit.
Signed-off-by: Jarkko Nikula <jarkko.nikula@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/soc/omap/n810.c')
| -rw-r--r-- | sound/soc/omap/n810.c | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/sound/soc/omap/n810.c b/sound/soc/omap/n810.c index 7694621ec40b..87d0ed01f65a 100644 --- a/sound/soc/omap/n810.c +++ b/sound/soc/omap/n810.c @@ -329,12 +329,14 @@ static int __init n810_soc_init(void) sys_clkout2_src = clk_get(dev, "sys_clkout2_src"); if (IS_ERR(sys_clkout2_src)) { dev_err(dev, "Could not get sys_clkout2_src clock\n"); - return -ENODEV; + err = PTR_ERR(sys_clkout2_src); + goto err2; } sys_clkout2 = clk_get(dev, "sys_clkout2"); if (IS_ERR(sys_clkout2)) { dev_err(dev, "Could not get sys_clkout2\n"); - goto err1; + err = PTR_ERR(sys_clkout2); + goto err3; } /* * Configure 12 MHz output on SYS_CLKOUT2. Therefore we must use @@ -343,7 +345,8 @@ static int __init n810_soc_init(void) func96m_clk = clk_get(dev, "func_96m_ck"); if (IS_ERR(func96m_clk)) { dev_err(dev, "Could not get func 96M clock\n"); - goto err2; + err = PTR_ERR(func96m_clk); + goto err4; } clk_set_parent(sys_clkout2_src, func96m_clk); clk_set_rate(sys_clkout2, 12000000); @@ -356,20 +359,25 @@ static int __init n810_soc_init(void) gpio_direction_output(N810_SPEAKER_AMP_GPIO, 0); return 0; -err2: +err4: clk_put(sys_clkout2); +err3: + clk_put(sys_clkout2_src); +err2: platform_device_del(n810_snd_device); err1: platform_device_put(n810_snd_device); return err; - } static void __exit n810_soc_exit(void) { gpio_free(N810_SPEAKER_AMP_GPIO); gpio_free(N810_HEADSET_AMP_GPIO); + clk_put(sys_clkout2_src); + clk_put(sys_clkout2); + clk_put(func96m_clk); platform_device_unregister(n810_snd_device); } |