Merge branch 'for-next' into for-linus

Prep for 6.9 merge.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 27 insertions, 47 deletions

diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 728c211142d1..7386982cf40e 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -377,7 +377,7 @@ static int snd_pcm_hw_param_near(struct snd_pcm_substream *pcm,
 				 snd_pcm_hw_param_t var, unsigned int best,
 				 int *dir)
 {
-	struct snd_pcm_hw_params *save = NULL;
+	struct snd_pcm_hw_params *save __free(kfree) = NULL;
 	int v;
 	unsigned int saved_min;
 	int last = 0;
@@ -404,38 +404,30 @@ static int snd_pcm_hw_param_near(struct snd_pcm_substream *pcm,
 	saved_min = min;
 	min = snd_pcm_hw_param_min(pcm, params, var, min, &mindir);
 	if (min >= 0) {
-		struct snd_pcm_hw_params *params1;
+		struct snd_pcm_hw_params *params1 __free(kfree) = NULL;
 		if (max < 0)
 			goto _end;
 		if ((unsigned int)min == saved_min && mindir == valdir)
 			goto _end;
 		params1 = kmalloc(sizeof(*params1), GFP_KERNEL);
-		if (params1 == NULL) {
-			kfree(save);
+		if (params1 == NULL)
 			return -ENOMEM;
-		}
 		*params1 = *save;
 		max = snd_pcm_hw_param_max(pcm, params1, var, max, &maxdir);
-		if (max < 0) {
-			kfree(params1);
+		if (max < 0)
 			goto _end;
-		}
 		if (boundary_nearer(max, maxdir, best, valdir, min, mindir)) {
 			*params = *params1;
 			last = 1;
 		}
-		kfree(params1);
 	} else {
 		*params = *save;
 		max = snd_pcm_hw_param_max(pcm, params, var, max, &maxdir);
-		if (max < 0) {
-			kfree(save);
+		if (max < 0)
 			return max;
-		}
 		last = 1;
 	}
  _end:
- 	kfree(save);
 	if (last)
 		v = snd_pcm_hw_param_last(pcm, params, var, dir);
 	else
@@ -789,7 +781,7 @@ static int choose_rate(struct snd_pcm_substream *substream,
 		       struct snd_pcm_hw_params *params, unsigned int best_rate)
 {
 	const struct snd_interval *it;
-	struct snd_pcm_hw_params *save;
+	struct snd_pcm_hw_params *save __free(kfree) = NULL;
 	unsigned int rate, prev;
 
 	save = kmalloc(sizeof(*save), GFP_KERNEL);
@@ -808,10 +800,8 @@ static int choose_rate(struct snd_pcm_substream *substream,
 			ret = snd_pcm_hw_param_set(substream, params,
 						   SNDRV_PCM_HW_PARAM_RATE,
 						   rate, 0);
-			if (ret == (int)rate) {
-				kfree(save);
+			if (ret == (int)rate)
 				return rate;
-			}
 			*params = *save;
 		}
 		prev = rate;
@@ -821,7 +811,6 @@ static int choose_rate(struct snd_pcm_substream *substream,
 	}
 
 	/* not found, use the nearest rate */
-	kfree(save);
 	return snd_pcm_hw_param_near(substream, params, SNDRV_PCM_HW_PARAM_RATE, best_rate, NULL);
 }
 
@@ -1634,9 +1623,8 @@ static int snd_pcm_oss_sync1(struct snd_pcm_substream *substream, size_t size)
 			break;
 		result = 0;
 		set_current_state(TASK_INTERRUPTIBLE);
-		snd_pcm_stream_lock_irq(substream);
-		state = runtime->state;
-		snd_pcm_stream_unlock_irq(substream);
+		scoped_guard(pcm_stream_lock_irq, substream)
+			state = runtime->state;
 		if (state != SNDRV_PCM_STATE_RUNNING) {
 			set_current_state(TASK_RUNNING);
 			break;
@@ -1847,7 +1835,7 @@ static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file)
 	struct snd_pcm_substream *substream;
 	int err;
 	int direct;
-	struct snd_pcm_hw_params *params;
+	struct snd_pcm_hw_params *params __free(kfree) = NULL;
 	unsigned int formats = 0;
 	const struct snd_mask *format_mask;
 	int fmt;
@@ -1873,7 +1861,7 @@ static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file)
 	_snd_pcm_hw_params_any(params);
 	err = snd_pcm_hw_refine(substream, params);
 	if (err < 0)
-		goto error;
+		return err;
 	format_mask = hw_param_mask_c(params, SNDRV_PCM_HW_PARAM_FORMAT);
 	for (fmt = 0; fmt < 32; ++fmt) {
 		if (snd_mask_test(format_mask, fmt)) {
@@ -1883,9 +1871,7 @@ static int snd_pcm_oss_get_formats(struct snd_pcm_oss_file *pcm_oss_file)
 		}
 	}
 
- error:
-	kfree(params);
-	return err < 0 ? err : formats;
+	return formats;
 }
 
 static int snd_pcm_oss_set_format(struct snd_pcm_oss_file *pcm_oss_file, int format)
@@ -2347,7 +2333,7 @@ static void snd_pcm_oss_look_for_setup(struct snd_pcm *pcm, int stream,
 {
 	struct snd_pcm_oss_setup *setup;
 
-	mutex_lock(&pcm->streams[stream].oss.setup_mutex);
+	guard(mutex)(&pcm->streams[stream].oss.setup_mutex);
 	do {
 		for (setup = pcm->streams[stream].oss.setup_list; setup;
 		     setup = setup->next) {
@@ -2358,7 +2344,6 @@ static void snd_pcm_oss_look_for_setup(struct snd_pcm *pcm, int stream,
  out:
 	if (setup)
 		*rsetup = *setup;
-	mutex_unlock(&pcm->streams[stream].oss.setup_mutex);
 }
 
 static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)
@@ -2853,23 +2838,23 @@ static __poll_t snd_pcm_oss_poll(struct file *file, poll_table * wait)
 	if (psubstream != NULL) {
 		struct snd_pcm_runtime *runtime = psubstream->runtime;
 		poll_wait(file, &runtime->sleep, wait);
-		snd_pcm_stream_lock_irq(psubstream);
-		if (runtime->state != SNDRV_PCM_STATE_DRAINING &&
-		    (runtime->state != SNDRV_PCM_STATE_RUNNING ||
-		     snd_pcm_oss_playback_ready(psubstream)))
-			mask |= EPOLLOUT | EPOLLWRNORM;
-		snd_pcm_stream_unlock_irq(psubstream);
+		scoped_guard(pcm_stream_lock_irq, psubstream) {
+			if (runtime->state != SNDRV_PCM_STATE_DRAINING &&
+			    (runtime->state != SNDRV_PCM_STATE_RUNNING ||
+			     snd_pcm_oss_playback_ready(psubstream)))
+				mask |= EPOLLOUT | EPOLLWRNORM;
+		}
 	}
 	if (csubstream != NULL) {
 		struct snd_pcm_runtime *runtime = csubstream->runtime;
 		snd_pcm_state_t ostate;
 		poll_wait(file, &runtime->sleep, wait);
-		snd_pcm_stream_lock_irq(csubstream);
-		ostate = runtime->state;
-		if (ostate != SNDRV_PCM_STATE_RUNNING ||
-		    snd_pcm_oss_capture_ready(csubstream))
-			mask |= EPOLLIN | EPOLLRDNORM;
-		snd_pcm_stream_unlock_irq(csubstream);
+		scoped_guard(pcm_stream_lock_irq, csubstream) {
+			ostate = runtime->state;
+			if (ostate != SNDRV_PCM_STATE_RUNNING ||
+			    snd_pcm_oss_capture_ready(csubstream))
+				mask |= EPOLLIN | EPOLLRDNORM;
+		}
 		if (ostate != SNDRV_PCM_STATE_RUNNING && runtime->oss.trigger) {
 			struct snd_pcm_oss_file ofile;
 			memset(&ofile, 0, sizeof(ofile));
@@ -2964,7 +2949,7 @@ static void snd_pcm_oss_proc_read(struct snd_info_entry *entry,
 {
 	struct snd_pcm_str *pstr = entry->private_data;
 	struct snd_pcm_oss_setup *setup = pstr->oss.setup_list;
-	mutex_lock(&pstr->oss.setup_mutex);
+	guard(mutex)(&pstr->oss.setup_mutex);
 	while (setup) {
 		snd_iprintf(buffer, "%s %u %u%s%s%s%s%s%s\n",
 			    setup->task_name,
@@ -2978,7 +2963,6 @@ static void snd_pcm_oss_proc_read(struct snd_info_entry *entry,
 			    setup->nosilence ? " no-silence" : "");
 		setup = setup->next;
 	}
-	mutex_unlock(&pstr->oss.setup_mutex);
 }
 
 static void snd_pcm_oss_proc_free_setup_list(struct snd_pcm_str * pstr)
@@ -3004,12 +2988,11 @@ static void snd_pcm_oss_proc_write(struct snd_info_entry *entry,
 	struct snd_pcm_oss_setup *setup, *setup1, template;
 
 	while (!snd_info_get_line(buffer, line, sizeof(line))) {
-		mutex_lock(&pstr->oss.setup_mutex);
+		guard(mutex)(&pstr->oss.setup_mutex);
 		memset(&template, 0, sizeof(template));
 		ptr = snd_info_get_str(task_name, line, sizeof(task_name));
 		if (!strcmp(task_name, "clear") || !strcmp(task_name, "erase")) {
 			snd_pcm_oss_proc_free_setup_list(pstr);
-			mutex_unlock(&pstr->oss.setup_mutex);
 			continue;
 		}
 		for (setup = pstr->oss.setup_list; setup; setup = setup->next) {
@@ -3049,7 +3032,6 @@ static void snd_pcm_oss_proc_write(struct snd_info_entry *entry,
 			setup = kmalloc(sizeof(*setup), GFP_KERNEL);
 			if (! setup) {
 				buffer->error = -ENOMEM;
-				mutex_unlock(&pstr->oss.setup_mutex);
 				return;
 			}
 			if (pstr->oss.setup_list == NULL)
@@ -3063,12 +3045,10 @@ static void snd_pcm_oss_proc_write(struct snd_info_entry *entry,
 			if (! template.task_name) {
 				kfree(setup);
 				buffer->error = -ENOMEM;
-				mutex_unlock(&pstr->oss.setup_mutex);
 				return;
 			}
 		}
 		*setup = template;
-		mutex_unlock(&pstr->oss.setup_mutex);
 	}
 }