X-Git-Url: http://git.cascardo.info/?a=blobdiff_plain;ds=sidebyside;f=sound%2Foss%2Fsoundcard.c;h=61aaedae6b7e084f8d7359d28fc88d9e4493e490;hb=7fb3a069bc5d3577409c2ae89f89cd264ff85816;hp=7d89c081a0866bfe9b7ee22696ee286007cb0a2a;hpb=5c402355adf8f920531f02099f4ec0d2bccd4c64;p=cascardo%2Flinux.git diff --git a/sound/oss/soundcard.c b/sound/oss/soundcard.c index 7d89c081a086..fde7c12fe5da 100644 --- a/sound/oss/soundcard.c +++ b/sound/oss/soundcard.c @@ -56,7 +56,7 @@ /* * Table for permanently allocated memory (used when unloading the module) */ -void * sound_mem_blocks[1024]; +void * sound_mem_blocks[MAX_MEM_BLOCKS]; int sound_nblocks = 0; /* Persistent DMA buffers */ @@ -328,11 +328,11 @@ static int sound_mixer_ioctl(int mixdev, unsigned int cmd, void __user *arg) return mixer_devs[mixdev]->ioctl(mixdev, cmd, arg); } -static int sound_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long sound_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int len = 0, dtype; - int dev = iminor(inode); + int dev = iminor(file->f_dentry->d_inode); + long ret = -EINVAL; void __user *p = (void __user *)arg; if (_SIOC_DIR(cmd) != _SIOC_NONE && _SIOC_DIR(cmd) != 0) { @@ -353,6 +353,7 @@ static int sound_ioctl(struct inode *inode, struct file *file, if (cmd == OSS_GETVERSION) return __put_user(SOUND_VERSION, (int __user *)p); + lock_kernel(); if (_IOC_TYPE(cmd) == 'M' && num_mixers > 0 && /* Mixer ioctl */ (dev & 0x0f) != SND_DEV_CTL) { dtype = dev & 0x0f; @@ -360,24 +361,31 @@ static int sound_ioctl(struct inode *inode, struct file *file, case SND_DEV_DSP: case SND_DEV_DSP16: case SND_DEV_AUDIO: - return sound_mixer_ioctl(audio_devs[dev >> 4]->mixer_dev, + ret = sound_mixer_ioctl(audio_devs[dev >> 4]->mixer_dev, cmd, p); - + break; default: - return sound_mixer_ioctl(dev >> 4, cmd, p); + ret = sound_mixer_ioctl(dev >> 4, cmd, p); + break; } + unlock_kernel(); + return ret; } + switch (dev & 0x0f) { case SND_DEV_CTL: if (cmd == SOUND_MIXER_GETLEVELS) - return get_mixer_levels(p); - if (cmd == SOUND_MIXER_SETLEVELS) - return set_mixer_levels(p); - return sound_mixer_ioctl(dev >> 4, cmd, p); + ret = get_mixer_levels(p); + else if (cmd == SOUND_MIXER_SETLEVELS) + ret = set_mixer_levels(p); + else + ret = sound_mixer_ioctl(dev >> 4, cmd, p); + break; case SND_DEV_SEQ: case SND_DEV_SEQ2: - return sequencer_ioctl(dev, file, cmd, p); + ret = sequencer_ioctl(dev, file, cmd, p); + break; case SND_DEV_DSP: case SND_DEV_DSP16: @@ -390,7 +398,8 @@ static int sound_ioctl(struct inode *inode, struct file *file, break; } - return -EINVAL; + unlock_kernel(); + return ret; } static unsigned int sound_poll(struct file *file, poll_table * wait) @@ -490,7 +499,7 @@ const struct file_operations oss_sound_fops = { .read = sound_read, .write = sound_write, .poll = sound_poll, - .ioctl = sound_ioctl, + .unlocked_ioctl = sound_ioctl, .mmap = sound_mmap, .open = sound_open, .release = sound_release, @@ -560,22 +569,21 @@ static int __init oss_init(void) sound_dmap_flag = (dmabuf > 0 ? 1 : 0); for (i = 0; i < ARRAY_SIZE(dev_list); i++) { - device_create_drvdata(sound_class, NULL, - MKDEV(SOUND_MAJOR, dev_list[i].minor), - NULL, "%s", dev_list[i].name); + device_create(sound_class, NULL, + MKDEV(SOUND_MAJOR, dev_list[i].minor), NULL, + "%s", dev_list[i].name); if (!dev_list[i].num) continue; for (j = 1; j < *dev_list[i].num; j++) - device_create_drvdata(sound_class, NULL, - MKDEV(SOUND_MAJOR, - dev_list[i].minor + (j*0x10)), - NULL, - "%s%d", dev_list[i].name, j); + device_create(sound_class, NULL, + MKDEV(SOUND_MAJOR, + dev_list[i].minor + (j*0x10)), + NULL, "%s%d", dev_list[i].name, j); } - if (sound_nblocks >= 1024) + if (sound_nblocks >= MAX_MEM_BLOCKS - 1) printk(KERN_ERR "Sound warning: Deallocation table was too small.\n"); return 0;