diff options
Diffstat (limited to 'drivers/char/dsp56k.c')
| -rw-r--r-- | drivers/char/dsp56k.c | 29 |
1 files changed, 15 insertions, 14 deletions
diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c index 8693835cb2d..e233cf280bc 100644 --- a/drivers/char/dsp56k.c +++ b/drivers/char/dsp56k.c @@ -165,7 +165,7 @@ static int dsp56k_reset(void) return 0; } -static int dsp56k_upload(u_char *bin, int len) +static int dsp56k_upload(u_char __user *bin, int len) { int i; u_char *p; @@ -199,7 +199,7 @@ static int dsp56k_upload(u_char *bin, int len) return 0; } -static ssize_t dsp56k_read(struct file *file, char *buf, size_t count, +static ssize_t dsp56k_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { struct inode *inode = file->f_dentry->d_inode; @@ -225,10 +225,10 @@ static ssize_t dsp56k_read(struct file *file, char *buf, size_t count, } case 2: /* 16 bit */ { - short *data; + short __user *data; count /= 2; - data = (short*) buf; + data = (short __user *) buf; handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_RECEIVE, put_user(dsp56k_host_interface.data.w[1], data+n++)); return 2*n; @@ -244,10 +244,10 @@ static ssize_t dsp56k_read(struct file *file, char *buf, size_t count, } case 4: /* 32 bit */ { - long *data; + long __user *data; count /= 4; - data = (long*) buf; + data = (long __user *) buf; handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_RECEIVE, put_user(dsp56k_host_interface.data.l, data+n++)); return 4*n; @@ -262,7 +262,7 @@ static ssize_t dsp56k_read(struct file *file, char *buf, size_t count, } } -static ssize_t dsp56k_write(struct file *file, const char *buf, size_t count, +static ssize_t dsp56k_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) { struct inode *inode = file->f_dentry->d_inode; @@ -287,10 +287,10 @@ static ssize_t dsp56k_write(struct file *file, const char *buf, size_t count, } case 2: /* 16 bit */ { - const short *data; + const short __user *data; count /= 2; - data = (const short *)buf; + data = (const short __user *)buf; handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_TRANSMIT, get_user(dsp56k_host_interface.data.w[1], data+n++)); return 2*n; @@ -306,10 +306,10 @@ static ssize_t dsp56k_write(struct file *file, const char *buf, size_t count, } case 4: /* 32 bit */ { - const long *data; + const long __user *data; count /= 4; - data = (const long *)buf; + data = (const long __user *)buf; handshake(count, dsp56k.maxio, dsp56k.timeout, DSP56K_TRANSMIT, get_user(dsp56k_host_interface.data.l, data+n++)); return 4*n; @@ -328,6 +328,7 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { int dev = iminor(inode) & 0x0f; + void __user *argp = (void __user *)arg; switch(dev) { @@ -336,9 +337,9 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file, switch(cmd) { case DSP56K_UPLOAD: { - char *bin; + char __user *bin; int r, len; - struct dsp56k_upload *binary = (struct dsp56k_upload *) arg; + struct dsp56k_upload __user *binary = argp; if(get_user(len, &binary->len) < 0) return -EFAULT; @@ -372,7 +373,7 @@ static int dsp56k_ioctl(struct inode *inode, struct file *file, case DSP56K_HOST_FLAGS: { int dir, out, status; - struct dsp56k_host_flags *hf = (struct dsp56k_host_flags*) arg; + struct dsp56k_host_flags __user *hf = argp; if(get_user(dir, &hf->dir) < 0) return -EFAULT; |