1 files changed, 33 insertions, 17 deletions

diff --git a/sound/core/oss/pcm_oss.c b/sound/core/oss/pcm_oss.c
index 7fd072392c7e..f8302b703a30 100644
--- a/sound/core/oss/pcm_oss.c
+++ b/sound/core/oss/pcm_oss.c
@@ -78,6 +78,7 @@ static inline void snd_leave_user(mm_segment_t fs)
         set_fs(fs);
 }
 
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
 static int snd_pcm_oss_plugin_clear(struct snd_pcm_substream *substream)
 {
         struct snd_pcm_runtime *runtime = substream->runtime;
@@ -122,6 +123,7 @@ int snd_pcm_plugin_append(struct snd_pcm_plugin *plugin)
         }
         return 0;
 }
+#endif /* CONFIG_SND_PCM_OSS_PLUGINS */
 
 static long snd_pcm_oss_bytes(struct snd_pcm_substream *substream, long frames)
 {
@@ -412,6 +414,7 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
         oss_frame_size = snd_pcm_format_physical_width(params_format(params)) *
                          params_channels(params) / 8;
 
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
         snd_pcm_oss_plugin_clear(substream);
         if (!direct) {
                 /* add necessary plugins */
@@ -441,6 +444,7 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
                         }
                 }
         }
+#endif
 
         err = snd_pcm_oss_period_size(substream, params, sparams);
         if (err < 0)
@@ -498,11 +502,13 @@ static int snd_pcm_oss_change_params(struct snd_pcm_substream *substream)
         runtime->oss.periods = params_periods(sparams);
         oss_period_size = snd_pcm_plug_client_size(substream, params_period_size(sparams));
         snd_assert(oss_period_size >= 0, err = -EINVAL; goto failure);
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
         if (runtime->oss.plugin_first) {
                 err = snd_pcm_plug_alloc(substream, oss_period_size);
                 if (err < 0)
                         goto failure;
         }
+#endif
         oss_period_size *= oss_frame_size;
 
         oss_buffer_size = oss_period_size * runtime->oss.periods;
@@ -784,6 +790,7 @@ static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const cha
 {
         struct snd_pcm_runtime *runtime = substream->runtime;
         snd_pcm_sframes_t frames, frames1;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
         if (runtime->oss.plugin_first) {
                 struct snd_pcm_plugin_channel *channels;
                 size_t oss_frame_bytes = (runtime->oss.plugin_first->src_width * runtime->oss.plugin_first->src_format.channels) / 8;
@@ -800,7 +807,9 @@ static ssize_t snd_pcm_oss_write2(struct snd_pcm_substream *substream, const cha
                 if (frames1 <= 0)
                         return frames1;
                 bytes = frames1 * oss_frame_bytes;
-        } else {
+        } else
+#endif
+        {
                 frames = bytes_to_frames(runtime, bytes);
                 frames1 = snd_pcm_oss_write3(substream, buf, frames, in_kernel);
                 if (frames1 <= 0)
@@ -871,6 +880,7 @@ static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf,
 {
         struct snd_pcm_runtime *runtime = substream->runtime;
         snd_pcm_sframes_t frames, frames1;
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
         char __user *final_dst = (char __user *)buf;
         if (runtime->oss.plugin_first) {
                 struct snd_pcm_plugin_channel *channels;
@@ -887,7 +897,9 @@ static ssize_t snd_pcm_oss_read2(struct snd_pcm_substream *substream, char *buf,
                 bytes = frames1 * oss_frame_bytes;
                 if (!in_kernel && copy_to_user(final_dst, buf, bytes))
                         return -EFAULT;
-        } else {
+        } else
+#endif
+        {
                 frames = bytes_to_frames(runtime, bytes);
                 frames1 = snd_pcm_oss_read3(substream, buf, frames, in_kernel);
                 if (frames1 <= 0)
@@ -1631,10 +1643,10 @@ static struct snd_pcm_oss_setup *snd_pcm_oss_look_for_setup(struct snd_pcm *pcm,
         const char *ptr, *ptrl;
         struct snd_pcm_oss_setup *setup;
 
-        down(&pcm->streams[stream].oss.setup_mutex);
+        mutex_lock(&pcm->streams[stream].oss.setup_mutex);
         for (setup = pcm->streams[stream].oss.setup_list; setup; setup = setup->next) {
                 if (!strcmp(setup->task_name, task_name)) {
-                        up(&pcm->streams[stream].oss.setup_mutex);
+                        mutex_unlock(&pcm->streams[stream].oss.setup_mutex);
                         return setup;
                 }
         }
@@ -1650,12 +1662,12 @@ static struct snd_pcm_oss_setup *snd_pcm_oss_look_for_setup(struct snd_pcm *pcm,
         }
         for (setup = pcm->streams[stream].oss.setup_list; setup; setup = setup->next) {
                 if (!strcmp(setup->task_name, ptrl)) {
-                        up(&pcm->streams[stream].oss.setup_mutex);
+                        mutex_unlock(&pcm->streams[stream].oss.setup_mutex);
                         return setup;
                 }
         }
       __not_found:
-        up(&pcm->streams[stream].oss.setup_mutex);
+        mutex_unlock(&pcm->streams[stream].oss.setup_mutex);
         return NULL;
 }
 
@@ -1692,7 +1704,9 @@ static void snd_pcm_oss_release_substream(struct snd_pcm_substream *substream)
         struct snd_pcm_runtime *runtime;
         runtime = substream->runtime;
         vfree(runtime->oss.buffer);
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
         snd_pcm_oss_plugin_clear(substream);
+#endif
         substream->oss.file = NULL;
         substream->oss.oss = 0;
 }
@@ -1881,7 +1895,7 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
 
         init_waitqueue_entry(&wait, current);
         add_wait_queue(&pcm->open_wait, &wait);
-        down(&pcm->open_mutex);
+        mutex_lock(&pcm->open_mutex);
         while (1) {
                 err = snd_pcm_oss_open_file(file, pcm, &pcm_oss_file,
                                             iminor(inode), psetup, csetup);
@@ -1895,16 +1909,16 @@ static int snd_pcm_oss_open(struct inode *inode, struct file *file)
                 } else
                         break;
                 set_current_state(TASK_INTERRUPTIBLE);
-                up(&pcm->open_mutex);
+                mutex_unlock(&pcm->open_mutex);
                 schedule();
-                down(&pcm->open_mutex);
+                mutex_lock(&pcm->open_mutex);
                 if (signal_pending(current)) {
                         err = -ERESTARTSYS;
                         break;
                 }
         }
         remove_wait_queue(&pcm->open_wait, &wait);
-        up(&pcm->open_mutex);
+        mutex_unlock(&pcm->open_mutex);
         if (err < 0)
                 goto __error;
         return err;
@@ -1930,9 +1944,9 @@ static int snd_pcm_oss_release(struct inode *inode, struct file *file)
         snd_assert(substream != NULL, return -ENXIO);
         pcm = substream->pcm;
         snd_pcm_oss_sync(pcm_oss_file);
-        down(&pcm->open_mutex);
+        mutex_lock(&pcm->open_mutex);
         snd_pcm_oss_release_file(pcm_oss_file);
-        up(&pcm->open_mutex);
+        mutex_unlock(&pcm->open_mutex);
         wake_up(&pcm->open_wait);
         module_put(pcm->card->module);
         snd_card_file_remove(pcm->card, file);
@@ -2246,8 +2260,10 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
                 if ((err = snd_pcm_oss_change_params(substream)) < 0)
                         return err;
         }
+#ifdef CONFIG_SND_PCM_OSS_PLUGINS
         if (runtime->oss.plugin_first != NULL)
                 return -EIO;
+#endif
 
         if (area->vm_pgoff != 0)
                 return -EINVAL;
@@ -2277,7 +2293,7 @@ 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;
-        down(&pstr->oss.setup_mutex);
+        mutex_lock(&pstr->oss.setup_mutex);
         while (setup) {
                 snd_iprintf(buffer, "%s %u %u%s%s%s%s%s%s\n",
                             setup->task_name,
@@ -2291,7 +2307,7 @@ static void snd_pcm_oss_proc_read(struct snd_info_entry *entry,
                             setup->nosilence ? " no-silence" : "");
                 setup = setup->next;
         }
-        up(&pstr->oss.setup_mutex);
+        mutex_unlock(&pstr->oss.setup_mutex);
 }
 
 static void snd_pcm_oss_proc_free_setup_list(struct snd_pcm_str * pstr)
@@ -2321,12 +2337,12 @@ 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))) {
-                down(&pstr->oss.setup_mutex);
+                mutex_lock(&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);
-                        up(&pstr->oss.setup_mutex);
+                        mutex_unlock(&pstr->oss.setup_mutex);
                         continue;
                 }
                 for (setup = pstr->oss.setup_list; setup; setup = setup->next) {
@@ -2378,7 +2394,7 @@ static void snd_pcm_oss_proc_write(struct snd_info_entry *entry,
                 }
                 if (setup)
                         *setup = template;
-                up(&pstr->oss.setup_mutex);
+                mutex_unlock(&pstr->oss.setup_mutex);
         }
 }