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Commit 0dba19d2 authored by Alexander Viro's avatar Alexander Viro Committed by Linus Torvalds
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[PATCH] sparse: cs4281 annotation 

cs4281 annotated
parent 861cba55
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Inline Side-by-side
Showing with 69 additions and 69 deletions
sound/oss/cs4281/cs4281m.c
View file @ 0dba19d2
......@@ -1694,7 +1694,7 @@ static void start_adc(struct cs4281_state *s)
#define DMABUF_MINORDER 1 // ==> min buffer size = 8K.
extern void dealloc_dmabuf(struct cs4281_state *s, struct dmabuf *db)
void dealloc_dmabuf(struct cs4281_state *s, struct dmabuf *db)
{
struct page *map, *mapend;
......@@ -2148,6 +2148,7 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
SOUND_MASK_MIC, SOUND_MASK_CD, 0, SOUND_MASK_LINE1,
SOUND_MASK_LINE, SOUND_MASK_VOLUME, 0, 0
};
void __user *argp = (void __user *)arg;
// Index of mixtable1[] member is Device ID
// and must be <= SOUND_MIXER_NRDEVICES.
......@@ -2195,26 +2196,26 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
case SOUND_MIXER_CS_GETDBGMASK:
return put_user(cs_debugmask,
(unsigned long *) arg);
(unsigned long __user *) argp);
case SOUND_MIXER_CS_GETDBGLEVEL:
return put_user(cs_debuglevel,
(unsigned long *) arg);
(unsigned long __user *) argp);
case SOUND_MIXER_CS_SETDBGMASK:
if (get_user(val, (unsigned long *) arg))
if (get_user(val, (unsigned long __user *) argp))
return -EFAULT;
cs_debugmask = val;
return 0;
case SOUND_MIXER_CS_SETDBGLEVEL:
if (get_user(val, (unsigned long *) arg))
if (get_user(val, (unsigned long __user *) argp))
return -EFAULT;
cs_debuglevel = val;
return 0;
#ifndef NOT_CS4281_PM
case SOUND_MIXER_CS_APM:
if (get_user(val, (unsigned long *) arg))
if (get_user(val, (unsigned long __user *) argp))
return -EFAULT;
if(val == CS_IOCTL_CMD_SUSPEND)
cs4281_suspend(s);
......@@ -2238,7 +2239,7 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
if (cmd == SOUND_MIXER_PRIVATE1) {
// enable/disable/query mixer preamp
if (get_user(val, (int *) arg))
if (get_user(val, (int __user *) argp))
return -EFAULT;
if (val != -1) {
cs4281_read_ac97(s, BA0_AC97_MIC_VOLUME, &temp1);
......@@ -2247,11 +2248,11 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
}
cs4281_read_ac97(s, BA0_AC97_MIC_VOLUME, &temp1);
val = (temp1 & 0x40) ? 1 : 0;
return put_user(val, (int *) arg);
return put_user(val, (int __user *) argp);
}
if (cmd == SOUND_MIXER_PRIVATE2) {
// enable/disable/query spatializer
if (get_user(val, (int *) arg))
if (get_user(val, (int __user *)argp))
return -EFAULT;
if (val != -1) {
temp1 = (val & 0x3f) >> 2;
......@@ -2262,14 +2263,14 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
temp1 | 0x2000);
}
cs4281_read_ac97(s, BA0_AC97_3D_CONTROL, &temp1);
return put_user((temp1 << 2) | 3, (int *) arg);
return put_user((temp1 << 2) | 3, (int __user *)argp);
}
if (cmd == SOUND_MIXER_INFO) {
mixer_info info;
strlcpy(info.id, "CS4281", sizeof(info.id));
strlcpy(info.name, "Crystal CS4281", sizeof(info.name));
info.modify_counter = s->mix.modcnt;
if (copy_to_user((void *) arg, &info, sizeof(info)))
if (copy_to_user(argp, &info, sizeof(info)))
return -EFAULT;
return 0;
}
......@@ -2277,12 +2278,12 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
_old_mixer_info info;
strlcpy(info.id, "CS4281", sizeof(info.id));
strlcpy(info.name, "Crystal CS4281", sizeof(info.name));
if (copy_to_user((void *) arg, &info, sizeof(info)))
if (copy_to_user(argp, &info, sizeof(info)))
return -EFAULT;
return 0;
}
if (cmd == OSS_GETVERSION)
return put_user(SOUND_VERSION, (int *) arg);
return put_user(SOUND_VERSION, (int __user *) argp);
if (_IOC_TYPE(cmd) != 'M' || _SIOC_SIZE(cmd) != sizeof(int))
return -EINVAL;
......@@ -2292,9 +2293,8 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
if (_SIOC_DIR(cmd) == _SIOC_READ) {
switch (_IOC_NR(cmd)) {
case SOUND_MIXER_RECSRC: // Arg contains a bit for each recording source
cs4281_read_ac97(s, BA0_AC97_RECORD_SELECT,
&temp1);
return put_user(mixer_src[temp1 & 7], (int *) arg);
cs4281_read_ac97(s, BA0_AC97_RECORD_SELECT, &temp1);
return put_user(mixer_src[temp1&7], (int __user *)argp);
case SOUND_MIXER_DEVMASK: // Arg contains a bit for each supported device
return put_user(SOUND_MASK_PCM | SOUND_MASK_SYNTH |
......@@ -2302,29 +2302,29 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
SOUND_MASK_LINE1 | SOUND_MASK_MIC |
SOUND_MASK_VOLUME |
SOUND_MASK_RECLEV |
SOUND_MASK_SPEAKER, (int *) arg);
SOUND_MASK_SPEAKER, (int __user *)argp);
case SOUND_MIXER_RECMASK: // Arg contains a bit for each supported recording source
return put_user(SOUND_MASK_LINE | SOUND_MASK_MIC |
SOUND_MASK_CD | SOUND_MASK_VOLUME |
SOUND_MASK_LINE1, (int *) arg);
SOUND_MASK_LINE1, (int __user *) argp);
case SOUND_MIXER_STEREODEVS: // Mixer channels supporting stereo
return put_user(SOUND_MASK_PCM | SOUND_MASK_SYNTH |
SOUND_MASK_CD | SOUND_MASK_LINE |
SOUND_MASK_LINE1 | SOUND_MASK_MIC |
SOUND_MASK_VOLUME |
SOUND_MASK_RECLEV, (int *) arg);
SOUND_MASK_RECLEV, (int __user *)argp);
case SOUND_MIXER_CAPS:
return put_user(SOUND_CAP_EXCL_INPUT, (int *) arg);
return put_user(SOUND_CAP_EXCL_INPUT, (int __user *)argp);
default:
i = _IOC_NR(cmd);
if (i >= SOUND_MIXER_NRDEVICES
|| !(vidx = mixtable1[i]))
return -EINVAL;
return put_user(s->mix.vol[vidx - 1], (int *) arg);
return put_user(s->mix.vol[vidx - 1], (int __user *)argp);
}
}
// If ioctl doesn't have both the SIOC_READ and
......@@ -2339,7 +2339,7 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
switch (_IOC_NR(cmd)) {
case SOUND_MIXER_RECSRC: // Arg contains a bit for each recording source
if (get_user(val, (int *) arg))
if (get_user(val, (int __user *)argp))
return -EFAULT;
i = hweight32(val); // i = # bits on in val.
if (i != 1) // One & only 1 bit must be on.
......@@ -2356,7 +2356,7 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
return 0;
case SOUND_MIXER_VOLUME:
if (get_user(val, (int *) arg))
if (get_user(val, (int __user *)argp))
return -EFAULT;
l = val & 0xff;
if (l > 100)
......@@ -2391,10 +2391,10 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
#else
s->mix.vol[8] = val;
#endif
return put_user(s->mix.vol[8], (int *) arg);
return put_user(s->mix.vol[8], (int __user *)argp);
case SOUND_MIXER_SPEAKER:
if (get_user(val, (int *) arg))
if (get_user(val, (int __user *)argp))
return -EFAULT;
l = val & 0xff;
if (l > 100)
......@@ -2421,10 +2421,10 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
#else
s->mix.vol[6] = val;
#endif
return put_user(s->mix.vol[6], (int *) arg);
return put_user(s->mix.vol[6], (int __user *)argp);
case SOUND_MIXER_RECLEV:
if (get_user(val, (int *) arg))
if (get_user(val, (int __user *)argp))
return -EFAULT;
l = val & 0xff;
if (l > 100)
......@@ -2447,10 +2447,10 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
#else
s->mix.vol[7] = val;
#endif
return put_user(s->mix.vol[7], (int *) arg);
return put_user(s->mix.vol[7], (int __user *)argp);
case SOUND_MIXER_MIC:
if (get_user(val, (int *) arg))
if (get_user(val, (int __user *)argp))
return -EFAULT;
l = val & 0xff;
if (l > 100)
......@@ -2477,16 +2477,16 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
#else
s->mix.vol[5] = val;
#endif
return put_user(s->mix.vol[5], (int *) arg);
return put_user(s->mix.vol[5], (int __user *)argp);
case SOUND_MIXER_SYNTH:
if (get_user(val, (int *) arg))
if (get_user(val, (int __user *)argp))
return -EFAULT;
l = val & 0xff;
if (l > 100)
l = 100;
if (get_user(val, (int *) arg))
if (get_user(val, (int __user *)argp))
return -EFAULT;
r = (val >> 8) & 0xff;
if (r > 100)
......@@ -2512,7 +2512,7 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
#else
s->mix.vol[4] = val;
#endif
return put_user(s->mix.vol[4], (int *) arg);
return put_user(s->mix.vol[4], (int __user *)argp);
default:
......@@ -2522,7 +2522,7 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
i = _IOC_NR(cmd);
if (i >= SOUND_MIXER_NRDEVICES || !(vidx = mixtable1[i]))
return -EINVAL;
if (get_user(val, (int *) arg))
if (get_user(val, (int __user *)argp))
return -EFAULT;
l = val & 0xff;
if (l > 100)
......@@ -2558,7 +2558,7 @@ static int mixer_ioctl(struct cs4281_state *s, unsigned int cmd,
"write ac97 mixreg[%d]=0x%x mix.vol[]=0x%x\n",
vidx-1,temp1,s->mix.vol[vidx-1]));
#endif
return put_user(s->mix.vol[vidx - 1], (int *) arg);
return put_user(s->mix.vol[vidx - 1], (int __user *)argp);
}
}
......@@ -2817,7 +2817,7 @@ static void CopySamples(char *dst, char *src, int count, int iChannels,
// issues with 8 bit capture, so the driver always captures data in 16 bit
// and then if the user requested 8 bit, converts from 16 to 8 bit.
//
static unsigned cs_copy_to_user(struct cs4281_state *s, void *dest,
static unsigned cs_copy_to_user(struct cs4281_state *s, void __user *dest,
unsigned *hwsrc, unsigned cnt,
unsigned *copied)
{
......@@ -2859,7 +2859,7 @@ static unsigned cs_copy_to_user(struct cs4281_state *s, void *dest,
// ---------------------------------------------------------------------
static ssize_t cs4281_read(struct file *file, char *buffer, size_t count,
static ssize_t cs4281_read(struct file *file, char __user *buffer, size_t count,
loff_t * ppos)
{
struct cs4281_state *s =
......@@ -2975,7 +2975,7 @@ static ssize_t cs4281_read(struct file *file, char *buffer, size_t count,
}
static ssize_t cs4281_write(struct file *file, const char *buffer,
static ssize_t cs4281_write(struct file *file, const char __user *buffer,
size_t count, loff_t * ppos)
{
struct cs4281_state *s =
......@@ -3161,6 +3161,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
audio_buf_info abinfo;
count_info cinfo;
int val, mapped, ret;
int __user *p = (int __user *)arg;
CS_DBGOUT(CS_FUNCTION, 4, printk(KERN_INFO
"cs4281: cs4281_ioctl(): file=%p cmd=0x%.8x\n", file, cmd));
......@@ -3175,7 +3176,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk(KERN_INFO
"cs4281: cs4281_ioctl(): SOUND_VERSION=0x%.8x\n",
SOUND_VERSION));
return put_user(SOUND_VERSION, (int *) arg);
return put_user(SOUND_VERSION, p);
case SNDCTL_DSP_SYNC:
CS_DBGOUT(CS_IOCTL, 4, printk(KERN_INFO
......@@ -3192,7 +3193,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
case SNDCTL_DSP_GETCAPS:
return put_user(DSP_CAP_DUPLEX | DSP_CAP_REALTIME |
DSP_CAP_TRIGGER | DSP_CAP_MMAP,
(int *) arg);
p);
case SNDCTL_DSP_RESET:
CS_DBGOUT(CS_IOCTL, 4, printk(KERN_INFO
......@@ -3216,7 +3217,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
return 0;
case SNDCTL_DSP_SPEED:
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk(KERN_INFO
"cs4281: cs4281_ioctl(): DSP_SPEED val=%d\n", val));
......@@ -3257,10 +3258,10 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
else if (file->f_mode & FMODE_READ)
val = s->prop_adc.rate;
return put_user(val, (int *) arg);
return put_user(val, p);
case SNDCTL_DSP_STEREO:
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk(KERN_INFO
"cs4281: cs4281_ioctl(): DSP_STEREO val=%d\n", val));
......@@ -3279,7 +3280,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
return 0;
case SNDCTL_DSP_CHANNELS:
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk(KERN_INFO
"cs4281: cs4281_ioctl(): DSP_CHANNELS val=%d\n",
......@@ -3310,7 +3311,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
else if (file->f_mode & FMODE_READ)
val = s->prop_adc.channels;
return put_user(val, (int *) arg);
return put_user(val, p);
case SNDCTL_DSP_GETFMTS: // Returns a mask
CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk(KERN_INFO
......@@ -3318,10 +3319,10 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
AFMT_S16_LE | AFMT_U16_LE | AFMT_S8 |
AFMT_U8));
return put_user(AFMT_S16_LE | AFMT_U16_LE | AFMT_S8 |
AFMT_U8, (int *) arg);
AFMT_U8, p);
case SNDCTL_DSP_SETFMT:
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk(KERN_INFO
"cs4281: cs4281_ioctl(): DSP_SETFMT val=0x%.8x\n",
......@@ -3358,7 +3359,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
CS_DBGOUT(CS_IOCTL | CS_PARMS, 4, printk(KERN_INFO
"cs4281: cs4281_ioctl(): DSP_SETFMT return val=0x%.8x\n",
val));
return put_user(val, (int *) arg);
return put_user(val, p);
case SNDCTL_DSP_POST:
CS_DBGOUT(CS_IOCTL, 4, printk(KERN_INFO
......@@ -3371,10 +3372,10 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
val |= PCM_ENABLE_INPUT;
if (file->f_mode & s->ena & FMODE_WRITE)
val |= PCM_ENABLE_OUTPUT;
return put_user(val, (int *) arg);
return put_user(val, p);
case SNDCTL_DSP_SETTRIGGER:
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
if (file->f_mode & FMODE_READ) {
if (val & PCM_ENABLE_INPUT) {
......@@ -3416,7 +3417,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
abinfo.fragsize,abinfo.bytes,abinfo.fragstotal,
abinfo.fragments));
spin_unlock_irqrestore(&s->lock, flags);
return copy_to_user((void *) arg, &abinfo,
return copy_to_user(p, &abinfo,
sizeof(abinfo)) ? -EFAULT : 0;
case SNDCTL_DSP_GETISPACE:
......@@ -3440,7 +3441,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
abinfo.bytes >> s->dma_adc.fragshift;
}
spin_unlock_irqrestore(&s->lock, flags);
return copy_to_user((void *) arg, &abinfo,
return copy_to_user(p, &abinfo,
sizeof(abinfo)) ? -EFAULT : 0;
case SNDCTL_DSP_NONBLOCK:
......@@ -3456,7 +3457,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
cs4281_update_ptr(s,CS_FALSE);
val = s->dma_dac.count;
spin_unlock_irqrestore(&s->lock, flags);
return put_user(val, (int *) arg);
return put_user(val, p);
case SNDCTL_DSP_GETIPTR:
if (!(file->f_mode & FMODE_READ))
......@@ -3489,7 +3490,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
if (s->dma_adc.mapped)
s->dma_adc.count &= s->dma_adc.fragsize - 1;
spin_unlock_irqrestore(&s->lock, flags);
if (copy_to_user((void *) arg, &cinfo, sizeof(cinfo)))
if (copy_to_user(p, &cinfo, sizeof(cinfo)))
return -EFAULT;
return 0;
......@@ -3515,7 +3516,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
if (s->dma_dac.mapped)
s->dma_dac.count &= s->dma_dac.fragsize - 1;
spin_unlock_irqrestore(&s->lock, flags);
if (copy_to_user((void *) arg, &cinfo, sizeof(cinfo)))
if (copy_to_user(p, &cinfo, sizeof(cinfo)))
return -EFAULT;
return 0;
......@@ -3523,18 +3524,17 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
if (file->f_mode & FMODE_WRITE) {
if ((val = prog_dmabuf_dac(s)))
return val;
return put_user(s->dma_dac.fragsize, (int *) arg);
return put_user(s->dma_dac.fragsize, p);
}
if ((val = prog_dmabuf_adc(s)))
return val;
if (s->conversion)
return put_user(s->dma_adc.fragsize / 2,
(int *) arg);
return put_user(s->dma_adc.fragsize / 2, p);
else
return put_user(s->dma_adc.fragsize, (int *) arg);
return put_user(s->dma_adc.fragsize, p);
case SNDCTL_DSP_SETFRAGMENT:
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
return 0; // Say OK, but do nothing.
......@@ -3542,7 +3542,7 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
if ((file->f_mode & FMODE_READ && s->dma_adc.subdivision)
|| (file->f_mode & FMODE_WRITE
&& s->dma_dac.subdivision)) return -EINVAL;
if (get_user(val, (int *) arg))
if (get_user(val, p))
return -EFAULT;
if (val != 1 && val != 2 && val != 4)
return -EINVAL;
......@@ -3554,15 +3554,15 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
case SOUND_PCM_READ_RATE:
if (file->f_mode & FMODE_READ)
return put_user(s->prop_adc.rate, (int *) arg);
return put_user(s->prop_adc.rate, p);
else if (file->f_mode & FMODE_WRITE)
return put_user(s->prop_dac.rate, (int *) arg);
return put_user(s->prop_dac.rate, p);
case SOUND_PCM_READ_CHANNELS:
if (file->f_mode & FMODE_READ)
return put_user(s->prop_adc.channels, (int *) arg);
return put_user(s->prop_adc.channels, p);
else if (file->f_mode & FMODE_WRITE)
return put_user(s->prop_dac.channels, (int *) arg);
return put_user(s->prop_dac.channels, p);
case SOUND_PCM_READ_BITS:
if (file->f_mode & FMODE_READ)
......@@ -3570,13 +3570,13 @@ static int cs4281_ioctl(struct inode *inode, struct file *file,
put_user(
(s->prop_adc.
fmt & (AFMT_S8 | AFMT_U8)) ? 8 : 16,
(int *) arg);
p);
else if (file->f_mode & FMODE_WRITE)
return
put_user(
(s->prop_dac.
fmt & (AFMT_S8 | AFMT_U8)) ? 8 : 16,
(int *) arg);
p);
case SOUND_PCM_WRITE_FILTER:
case SNDCTL_DSP_SETSYNCRO:
......@@ -3831,7 +3831,7 @@ static void cs4281_midi_timer(unsigned long data)
// ---------------------------------------------------------------------
static ssize_t cs4281_midi_read(struct file *file, char *buffer,
static ssize_t cs4281_midi_read(struct file *file, char __user *buffer,
size_t count, loff_t * ppos)
{
struct cs4281_state *s =
......@@ -3879,7 +3879,7 @@ static ssize_t cs4281_midi_read(struct file *file, char *buffer,
}
static ssize_t cs4281_midi_write(struct file *file, const char *buffer,
static ssize_t cs4281_midi_write(struct file *file, const char __user *buffer,
size_t count, loff_t * ppos)
{
struct cs4281_state *s =
......
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