提交 41a63f18 编写于 作者: T Takashi Iwai

ALSA: hda - Don't handle empty patch files

When an empty string is passed to patch option, the driver should
ignore it.  Otherwise it gets an error by trying to load it.
Signed-off-by: NTakashi Iwai <tiwai@suse.de>
上级 11839aed
......@@ -2703,7 +2703,7 @@ static int __devinit azx_probe(struct pci_dev *pci,
if (err < 0)
goto out_free;
#ifdef CONFIG_SND_HDA_PATCH_LOADER
if (patch[dev]) {
if (patch[dev] && *patch[dev]) {
snd_printk(KERN_ERR SFX "Applying patch firmware '%s'\n",
patch[dev]);
err = snd_hda_load_patch(chip->bus, patch[dev]);
......
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