[PATCH] cm4000_cs: __user annotations
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index ef011ef..61681c9 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1444,6 +1444,7 @@
dev_link_t *link;
int size;
int rc;
+ void __user *argp = (void __user *)arg;
#ifdef PCMCIA_DEBUG
char *ioctl_names[CM_IOC_MAXNR + 1] = {
[_IOC_NR(CM_IOCGSTATUS)] "CM_IOCGSTATUS",
@@ -1481,11 +1482,11 @@
_IOC_DIR(cmd), _IOC_READ, _IOC_WRITE, size, cmd);
if (_IOC_DIR(cmd) & _IOC_READ) {
- if (!access_ok(VERIFY_WRITE, (void *)arg, size))
+ if (!access_ok(VERIFY_WRITE, argp, size))
return -EFAULT;
}
if (_IOC_DIR(cmd) & _IOC_WRITE) {
- if (!access_ok(VERIFY_READ, (void *)arg, size))
+ if (!access_ok(VERIFY_READ, argp, size))
return -EFAULT;
}
@@ -1506,14 +1507,14 @@
status |= CM_NO_READER;
if (test_bit(IS_BAD_CARD, &dev->flags))
status |= CM_BAD_CARD;
- if (copy_to_user((int *)arg, &status, sizeof(int)))
+ if (copy_to_user(argp, &status, sizeof(int)))
return -EFAULT;
}
return 0;
case CM_IOCGATR:
DEBUGP(4, dev, "... in CM_IOCGATR\n");
{
- struct atreq *atreq = (struct atreq *) arg;
+ struct atreq __user *atreq = argp;
int tmp;
/* allow nonblocking io and being interrupted */
if (wait_event_interruptible
@@ -1597,7 +1598,7 @@
{
struct ptsreq krnptsreq;
- if (copy_from_user(&krnptsreq, (struct ptsreq *) arg,
+ if (copy_from_user(&krnptsreq, argp,
sizeof(struct ptsreq)))
return -EFAULT;
@@ -1641,7 +1642,7 @@
int old_pc_debug = 0;
old_pc_debug = pc_debug;
- if (copy_from_user(&pc_debug, (int *)arg, sizeof(int)))
+ if (copy_from_user(&pc_debug, argp, sizeof(int)))
return -EFAULT;
if (old_pc_debug != pc_debug)