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ALSA: emu10k1: correctly handling failed thread creation 

Since kthread_create can be failed, it needs to check
whether error occurred and return error code.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Insu Yun 2016-01-29 10:56:11 -05:00 committed by Takashi Iwai
parent 1b3c993a69
commit f1d51595a2
1 changed files with 8 additions and 0 deletions
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8
sound/pci/emu10k1/emu10k1_main.c
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@ -1141,6 +1141,14 @@ static int snd_emu10k1_emu1010_init(struct snd_emu10k1 *emu)
emu->emu1010.firmware_thread =
kthread_create(emu1010_firmware_thread, emu,
"emu1010_firmware");
if (IS_ERR(emu->emu1010.firmware_thread)) {
err = PTR_ERR(emu->emu1010.firmware_thread);
emu->emu1010.firmware_thread = NULL;
dev_info(emu->card->dev,
"emu1010: Creating thread failed\n");
return err;
}
wake_up_process(emu->emu1010.firmware_thread);
}