[PATCH] sparse: msnd annotation

msnd annotated

sound/oss/msnd_pinnacle.c

@@ -212,6 +212,7 @@ static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 	LPDAQD lpDAQ, lpDARQ;
         audio_buf_info abinfo;
 	unsigned long flags;
+	int __user *p = (int __user *)arg;
 
 	lpDAQ = dev.base + DAPQ_DATA_BUFF;
 	lpDARQ = dev.base + DARQ_DATA_BUFF;
@@ -238,7 +239,7 @@ static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                 abinfo.fragstotal = dev.DAPF.n / abinfo.fragsize;
                 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
 		spin_unlock_irqrestore(&dev.lock, flags);
-		return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
+		return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
 
 	case SNDCTL_DSP_GETISPACE:
 		if (!(file->f_mode & FMODE_READ))
@@ -249,7 +250,7 @@ static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
                 abinfo.fragstotal = dev.DARF.n / abinfo.fragsize;
                 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
 		spin_unlock_irqrestore(&dev.lock, flags);
-		return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
+		return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
 
 	case SNDCTL_DSP_RESET:
 		dev.nresets = 0;
@@ -262,18 +263,18 @@ static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
 	case SNDCTL_DSP_GETBLKSIZE:
 		tmp = dsp_get_frag_size();
-		if (put_user(tmp, (int *)arg))
+		if (put_user(tmp, p))
                         return -EFAULT;
 		return 0;
 
 	case SNDCTL_DSP_GETFMTS:
 		val = AFMT_S16_LE | AFMT_U8;
-		if (put_user(val, (int *)arg))
+		if (put_user(val, p))
 			return -EFAULT;
 		return 0;
 
 	case SNDCTL_DSP_SETFMT:
-		if (get_user(val, (int *)arg))
+		if (get_user(val, p))
 			return -EFAULT;
 
 		if (file->f_mode & FMODE_WRITE)
@@ -285,7 +286,7 @@ static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 				? dev.rec_sample_size
 				: dsp_set_format(file, val);
 
-		if (put_user(data, (int *)arg))
+		if (put_user(data, p))
 			return -EFAULT;
 		return 0;
 
@@ -299,12 +300,12 @@ static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 
 	case SNDCTL_DSP_GETCAPS:
 		val = DSP_CAP_DUPLEX | DSP_CAP_BATCH;
-		if (put_user(val, (int *)arg))
+		if (put_user(val, p))
 			return -EFAULT;
 		return 0;
 
 	case SNDCTL_DSP_SPEED:
-		if (get_user(val, (int *)arg))
+		if (get_user(val, p))
 			return -EFAULT;
 
 		if (val < 8000)
@@ -326,13 +327,13 @@ static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		if (file->f_mode & FMODE_READ)
 			dev.rec_sample_rate = data;
 
-		if (put_user(data, (int *)arg))
+		if (put_user(data, p))
 			return -EFAULT;
 		return 0;
 
 	case SNDCTL_DSP_CHANNELS:
 	case SNDCTL_DSP_STEREO:
-		if (get_user(val, (int *)arg))
+		if (get_user(val, p))
 			return -EFAULT;
 
 		if (cmd == SNDCTL_DSP_CHANNELS) {
@@ -369,7 +370,7 @@ static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		if (file->f_mode & FMODE_READ)
 			dev.rec_channels = data;
 
-		if (put_user(val, (int *)arg))
+		if (put_user(val, p))
 			return -EFAULT;
 		return 0;
 	}
@@ -565,13 +566,13 @@ static int mixer_ioctl(unsigned int cmd, unsigned long arg)
 		mixer_info info;
 		set_mixer_info();
 		info.modify_counter = dev.mixer_mod_count;
-		if (copy_to_user((void *)arg, &info, sizeof(info)))
+		if (copy_to_user((void __user *)arg, &info, sizeof(info)))
 			return -EFAULT;
 		return 0;
 	} else if (cmd == SOUND_OLD_MIXER_INFO) {
 		_old_mixer_info info;
 		set_mixer_info();
-		if (copy_to_user((void *)arg, &info, sizeof(info)))
+		if (copy_to_user((void __user *)arg, &info, sizeof(info)))
 			return -EFAULT;
 		return 0;
 	} else if (cmd == SOUND_MIXER_PRIVATE1) {
@@ -584,19 +585,19 @@ static int mixer_ioctl(unsigned int cmd, unsigned long arg)
 		if (_SIOC_DIR(cmd) & _SIOC_WRITE) {
 			switch (cmd & 0xff) {
 			case SOUND_MIXER_RECSRC:
-				if (get_user(val, (int *)arg))
+				if (get_user(val, (int __user *)arg))
 					return -EFAULT;
 				val = set_recsrc(val);
 				break;
 
 			default:
-				if (get_user(val, (int *)arg))
+				if (get_user(val, (int __user *)arg))
 					return -EFAULT;
 				val = mixer_set(cmd & 0xff, val);
 				break;
 			}
 			++dev.mixer_mod_count;
-			return put_user(val, (int *)arg);
+			return put_user(val, (int __user *)arg);
 		} else {
 			switch (cmd & 0xff) {
 			case SOUND_MIXER_RECSRC:
@@ -638,7 +639,7 @@ static int mixer_ioctl(unsigned int cmd, unsigned long arg)
 			}
 		}
 
-		return put_user(val, (int *)arg); 
+		return put_user(val, (int __user *)arg); 
 	}
 
 	return -EINVAL;
@@ -650,7 +651,7 @@ static int dev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, u
 
 	if (cmd == OSS_GETVERSION) {
 		int sound_version = SOUND_VERSION;
-		return put_user(sound_version, (int *)arg);
+		return put_user(sound_version, (int __user *)arg);
 	}
 
 	if (minor == dev.dsp_minor)
@@ -888,7 +889,7 @@ static __inline__ int pack_DAPF_to_DAPQ(register int start)
 	return nbanks;
 }
 
-static int dsp_read(char *buf, size_t len)
+static int dsp_read(char __user *buf, size_t len)
 {
 	int count = len;
 	char *page = (char *)__get_free_page(PAGE_SIZE);
@@ -946,7 +947,7 @@ static int dsp_read(char *buf, size_t len)
 	return len - count;
 }
 
-static int dsp_write(const char *buf, size_t len)
+static int dsp_write(const char __user *buf, size_t len)
 {
 	int count = len;
 	char *page = (char *)__get_free_page(GFP_KERNEL);
@@ -1005,7 +1006,7 @@ static int dsp_write(const char *buf, size_t len)
 	return len - count;
 }
 
-static ssize_t dev_read(struct file *file, char *buf, size_t count, loff_t *off)
+static ssize_t dev_read(struct file *file, char __user *buf, size_t count, loff_t *off)
 {
 	int minor = iminor(file->f_dentry->d_inode);
 	if (minor == dev.dsp_minor)
@@ -1014,7 +1015,7 @@ static ssize_t dev_read(struct file *file, char *buf, size_t count, loff_t *off)
 		return -EINVAL;
 }
 
-static ssize_t dev_write(struct file *file, const char *buf, size_t count, loff_t *off)
+static ssize_t dev_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
 {
 	int minor = iminor(file->f_dentry->d_inode);
 	if (minor == dev.dsp_minor)