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authorAnton Altaparmakov <aia21@cantab.net>2006-01-03 12:51:07 +0000
committerAnton Altaparmakov <aia21@cantab.net>2006-01-03 12:51:07 +0000
commitd087e4bdd24ebe3ae3d0b265b6573ec901af4b4b (patch)
treec2db1b4958bbf617a25398b7ef93d82006b26a17 /drivers/char/pcmcia/cm4000_cs.c
parent292d4ed32e35df4755052b5002e533348d1648fd (diff)
parent88026842b0a760145aa71d69e74fbc9ec118ca44 (diff)
Merge branch 'master' of /usr/src/ntfs-2.6/
Diffstat (limited to 'drivers/char/pcmcia/cm4000_cs.c')
-rw-r--r--drivers/char/pcmcia/cm4000_cs.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index ef011ef5dc4..61681c9f3f7 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -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)