Merge tag 'sound-4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Just a few small fixes:

   - a fix for the recursive work cancellation in a specific HD-audio
     operation mode

   - a fix for potentially uninitialized memory access via rawmidi

   - the register bit access fixes for ASoC HD-audio"

* tag 'sound-4.19-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda: Fix several mismatch for register mask and value
  ALSA: rawmidi: Initialize allocated buffers
  ALSA: hda - Fix cancel_work_sync() stall from jackpoll work

sound/core/rawmidi.c

@@ -129,7 +129,7 @@ static int snd_rawmidi_runtime_create(struct snd_rawmidi_substream *substream)
 		runtime->avail = 0;
 	else
 		runtime->avail = runtime->buffer_size;
-	runtime->buffer = kvmalloc(runtime->buffer_size, GFP_KERNEL);
+	runtime->buffer = kvzalloc(runtime->buffer_size, GFP_KERNEL);
 	if (!runtime->buffer) {
 		kfree(runtime);
 		return -ENOMEM;
@@ -655,7 +655,7 @@ static int resize_runtime_buffer(struct snd_rawmidi_runtime *runtime,
 	if (params->avail_min < 1 || params->avail_min > params->buffer_size)
 		return -EINVAL;
 	if (params->buffer_size != runtime->buffer_size) {
-		newbuf = kvmalloc(params->buffer_size, GFP_KERNEL);
+		newbuf = kvzalloc(params->buffer_size, GFP_KERNEL);
 		if (!newbuf)
 			return -ENOMEM;
 		spin_lock_irq(&runtime->lock);

sound/hda/ext/hdac_ext_stream.c

@@ -146,7 +146,8 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_stream_decouple);
  */
 void snd_hdac_ext_link_stream_start(struct hdac_ext_stream *stream)
 {
-	snd_hdac_updatel(stream->pplc_addr, AZX_REG_PPLCCTL, 0, AZX_PPLCCTL_RUN);
+	snd_hdac_updatel(stream->pplc_addr, AZX_REG_PPLCCTL,
+			 AZX_PPLCCTL_RUN, AZX_PPLCCTL_RUN);
 }
 EXPORT_SYMBOL_GPL(snd_hdac_ext_link_stream_start);
 
@@ -171,7 +172,8 @@ void snd_hdac_ext_link_stream_reset(struct hdac_ext_stream *stream)
 
 	snd_hdac_ext_link_stream_clear(stream);
 
-	snd_hdac_updatel(stream->pplc_addr, AZX_REG_PPLCCTL, 0, AZX_PPLCCTL_STRST);
+	snd_hdac_updatel(stream->pplc_addr, AZX_REG_PPLCCTL,
+			 AZX_PPLCCTL_STRST, AZX_PPLCCTL_STRST);
 	udelay(3);
 	timeout = 50;
 	do {
@@ -242,7 +244,7 @@ EXPORT_SYMBOL_GPL(snd_hdac_ext_link_set_stream_id);
 void snd_hdac_ext_link_clear_stream_id(struct hdac_ext_link *link,
 				 int stream)
 {
-	snd_hdac_updatew(link->ml_addr, AZX_REG_ML_LOSIDV, 0, (1 << stream));
+	snd_hdac_updatew(link->ml_addr, AZX_REG_ML_LOSIDV, (1 << stream), 0);
 }
 EXPORT_SYMBOL_GPL(snd_hdac_ext_link_clear_stream_id);
 
@@ -415,7 +417,6 @@ void snd_hdac_ext_stream_spbcap_enable(struct hdac_bus *bus,
 				 bool enable, int index)
 {
 	u32 mask = 0;
-	u32 register_mask = 0;
 
 	if (!bus->spbcap) {
 		dev_err(bus->dev, "Address of SPB capability is NULL\n");
@@ -424,12 +425,8 @@ void snd_hdac_ext_stream_spbcap_enable(struct hdac_bus *bus,
 
 	mask |= (1 << index);
 
-	register_mask = readl(bus->spbcap + AZX_REG_SPB_SPBFCCTL);
-
-	mask |= register_mask;
-
 	if (enable)
-		snd_hdac_updatel(bus->spbcap, AZX_REG_SPB_SPBFCCTL, 0, mask);
+		snd_hdac_updatel(bus->spbcap, AZX_REG_SPB_SPBFCCTL, mask, mask);
 	else
 		snd_hdac_updatel(bus->spbcap, AZX_REG_SPB_SPBFCCTL, mask, 0);
 }
@@ -503,7 +500,6 @@ void snd_hdac_ext_stream_drsm_enable(struct hdac_bus *bus,
 				bool enable, int index)
 {
 	u32 mask = 0;
-	u32 register_mask = 0;
 
 	if (!bus->drsmcap) {
 		dev_err(bus->dev, "Address of DRSM capability is NULL\n");
@@ -512,12 +508,8 @@ void snd_hdac_ext_stream_drsm_enable(struct hdac_bus *bus,
 
 	mask |= (1 << index);
 
-	register_mask = readl(bus->drsmcap + AZX_REG_SPB_SPBFCCTL);
-
-	mask |= register_mask;
-
 	if (enable)
-		snd_hdac_updatel(bus->drsmcap, AZX_REG_DRSM_CTL, 0, mask);
+		snd_hdac_updatel(bus->drsmcap, AZX_REG_DRSM_CTL, mask, mask);
 	else
 		snd_hdac_updatel(bus->drsmcap, AZX_REG_DRSM_CTL, mask, 0);
 }

sound/pci/hda/hda_codec.c

@@ -3935,7 +3935,8 @@ void snd_hda_bus_reset_codecs(struct hda_bus *bus)
 
 	list_for_each_codec(codec, bus) {
 		/* FIXME: maybe a better way needed for forced reset */
-		cancel_delayed_work_sync(&codec->jackpoll_work);
+		if (current_work() != &codec->jackpoll_work.work)
+			cancel_delayed_work_sync(&codec->jackpoll_work);
 #ifdef CONFIG_PM
 		if (hda_codec_is_power_on(codec)) {
 			hda_call_codec_suspend(codec);