From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
copy_to_user()/copy_from_user() for everything
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
drivers/char/pcmcia/cm4000_cs.c | 14 --------------
1 file changed, 14 deletions(-)
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index 4edb4174a1e2..89681f07bc78 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1404,7 +1404,6 @@ static long cmm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
unsigned int iobase = dev->p_dev->resource[0]->start;
struct inode *inode = file_inode(filp);
struct pcmcia_device *link;
- int size;
int rc;
void __user *argp = (void __user *)arg;
#ifdef CM4000_DEBUG
@@ -1441,19 +1440,6 @@ static long cmm_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
DEBUGP(4, dev, "iocnr mismatch\n");
goto out;
}
- size = _IOC_SIZE(cmd);
- rc = -EFAULT;
- DEBUGP(4, dev, "iocdir=%.4x iocr=%.4x iocw=%.4x iocsize=%d cmd=%.4x\n",
- _IOC_DIR(cmd), _IOC_READ, _IOC_WRITE, size, cmd);
-
- if (_IOC_DIR(cmd) & _IOC_READ) {
- if (!access_ok(argp, size))
- goto out;
- }
- if (_IOC_DIR(cmd) & _IOC_WRITE) {
- if (!access_ok(argp, size))
- goto out;
- }
rc = 0;
switch (cmd) {
--
2.11.0
