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[PATCH] cm4000_cs: __user annotations

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Al Viro 2005-12-15 09:17:55 +00:00 committed by Linus Torvalds
parent b16b88e55d
commit c4aa02eb39
1 changed files with 7 additions and 6 deletions
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13
drivers/char/pcmcia/cm4000_cs.c
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@ -1444,6 +1444,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
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 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
_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 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
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 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
{
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 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
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)