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authorInsu Yun <wuninsu@gmail.com>2016-01-29 18:56:11 +0300
committerTakashi Iwai <tiwai@suse.de>2016-01-29 19:30:25 +0300
commitf1d51595a2a54d725cd6a21dd54508335a14ab90 (patch)
tree59bbee1adbc2d2f766b46242a13d0dafd574d5d5 /sound/pci/emu10k1/emu10k1_main.c
parent1b3c993a699bed282e47c3f7c49d539c331dae04 (diff)
downloadlinux-f1d51595a2a54d725cd6a21dd54508335a14ab90.tar.xz
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>
Diffstat (limited to 'sound/pci/emu10k1/emu10k1_main.c')
-rw-r--r--sound/pci/emu10k1/emu10k1_main.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/emu10k1_main.c b/sound/pci/emu10k1/emu10k1_main.c
index 28e2f8b42f5e..891453451543 100644
--- a/sound/pci/emu10k1/emu10k1_main.c
+++ b/sound/pci/emu10k1/emu10k1_main.c
@@ -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);
}