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ALSA: hda - Missing NULL check in hda_beep.c
Added a NULL check of input_allocate_device() in hda_beep.c. Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -88,6 +88,10 @@ int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
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snprintf(beep->phys, sizeof(beep->phys),
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"card%d/codec#%d/beep0", codec->bus->card->number, codec->addr);
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input_dev = input_allocate_device();
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if (!input_dev) {
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kfree(beep);
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return -ENOMEM;
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}
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/* setup digital beep device */
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input_dev->name = "HDA Digital PCBeep";
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