ALSA: hda - check NULL pointer when creating SPDIF controls
If the SPDIF control array cannot be reallocated, the function will return to avoid dereferencing a NULL pointer. Signed-off-by: Mengdong Lin <mengdong.lin@intel.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -3334,6 +3334,8 @@ int snd_hda_create_dig_out_ctls(struct hda_codec *codec,
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return -EBUSY;
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}
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spdif = snd_array_new(&codec->spdif_out);
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if (!spdif)
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return -ENOMEM;
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for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) {
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kctl = snd_ctl_new1(dig_mix, codec);
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if (!kctl)
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