ALSA: hda: Deletion of unnecessary checks before two function calls

The functions kfree() and release_firmware() test whether their argument
is NULL and then return immediately. Thus the test around the call
is not needed.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

sound/pci/hda/hda_codec.c

@@ -834,7 +834,6 @@ static void snd_hda_bus_free(struct hda_bus *bus)
 	WARN_ON(!list_empty(&bus->codec_list));
 	if (bus->workq)
 		flush_workqueue(bus->workq);
-	if (bus->unsol)
 	kfree(bus->unsol);
 	if (bus->ops.private_free)
 		bus->ops.private_free(bus);

sound/pci/hda/hda_intel.c

@@ -1130,7 +1130,6 @@ static int azx_free(struct azx *chip)
 	pci_disable_device(chip->pci);
 	kfree(chip->azx_dev);
 #ifdef CONFIG_SND_HDA_PATCH_LOADER
-	if (chip->fw)
 	release_firmware(chip->fw);
 #endif
 	if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {