]> err.no Git - linux-2.6/blobdiff - sound/core/pcm_native.c
[PATCH] SoftMAC: Prevent multiple authentication attempts on the same network
[linux-2.6] / sound / core / pcm_native.c
index 36d6765618a4c489bae9e368ec8c86d5be3f1c4b..439f047929e18e509961214878ffd36233d71371 100644 (file)
@@ -372,7 +372,7 @@ static int snd_pcm_hw_params(struct snd_pcm_substream *substream,
 #if defined(CONFIG_SND_PCM_OSS) || defined(CONFIG_SND_PCM_OSS_MODULE)
        if (!substream->oss.oss)
 #endif
-               if (atomic_read(&runtime->mmap_count))
+               if (atomic_read(&substream->mmap_count))
                        return -EBADFD;
 
        params->rmask = ~0U;
@@ -485,7 +485,7 @@ static int snd_pcm_hw_free(struct snd_pcm_substream *substream)
                return -EBADFD;
        }
        snd_pcm_stream_unlock_irq(substream);
-       if (atomic_read(&runtime->mmap_count))
+       if (atomic_read(&substream->mmap_count))
                return -EBADFD;
        if (substream->ops->hw_free)
                result = substream->ops->hw_free(substream);
@@ -1469,8 +1469,6 @@ static int snd_pcm_drain(struct snd_pcm_substream *substream)
                }
        }
        up_read(&snd_pcm_link_rwsem);
-       if (! num_drecs)
-               goto _error;
 
        snd_pcm_stream_lock_irq(substream);
        /* resume pause */
@@ -2207,7 +2205,6 @@ static int snd_pcm_release(struct inode *inode, struct file *file)
        pcm_file = file->private_data;
        substream = pcm_file->substream;
        snd_assert(substream != NULL, return -ENXIO);
-       snd_assert(!atomic_read(&substream->runtime->mmap_count), );
        pcm = substream->pcm;
        fasync_helper(-1, file, 0, &substream->runtime->fasync);
        mutex_lock(&pcm->open_mutex);
@@ -3178,7 +3175,7 @@ static int snd_pcm_default_mmap(struct snd_pcm_substream *substream,
        area->vm_ops = &snd_pcm_vm_ops_data;
        area->vm_private_data = substream;
        area->vm_flags |= VM_RESERVED;
-       atomic_inc(&substream->runtime->mmap_count);
+       atomic_inc(&substream->mmap_count);
        return 0;
 }
 
@@ -3210,7 +3207,7 @@ int snd_pcm_lib_mmap_iomem(struct snd_pcm_substream *substream,
                                (substream->runtime->dma_addr + offset) >> PAGE_SHIFT,
                                size, area->vm_page_prot))
                return -EAGAIN;
-       atomic_inc(&substream->runtime->mmap_count);
+       atomic_inc(&substream->mmap_count);
        return 0;
 }