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path: root/drivers/char/stallion.c
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Diffstat (limited to 'drivers/char/stallion.c')
-rw-r--r--drivers/char/stallion.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index db6dcfa35ba0..b4ba5edea33d 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -407,7 +407,7 @@ static unsigned int stl_baudrates[] = {
* Declare all those functions in this driver!
*/
-static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg);
+static long stl_memioctl(struct file *fp, unsigned int cmd, unsigned long arg);
static int stl_brdinit(struct stlbrd *brdp);
static int stl_getportstats(struct tty_struct *tty, struct stlport *portp, comstats_t __user *cp);
static int stl_clrportstats(struct stlport *portp, comstats_t __user *cp);
@@ -607,7 +607,7 @@ static unsigned int sc26198_baudtable[] = {
*/
static const struct file_operations stl_fsiomem = {
.owner = THIS_MODULE,
- .ioctl = stl_memioctl,
+ .unlocked_ioctl = stl_memioctl,
};
static struct class *stallion_class;
@@ -2486,18 +2486,19 @@ static int stl_getbrdstruct(struct stlbrd __user *arg)
* collection.
*/
-static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, unsigned long arg)
+static long stl_memioctl(struct file *fp, unsigned int cmd, unsigned long arg)
{
int brdnr, rc;
void __user *argp = (void __user *)arg;
- pr_debug("stl_memioctl(ip=%p,fp=%p,cmd=%x,arg=%lx)\n", ip, fp, cmd,arg);
+ pr_debug("stl_memioctl(fp=%p,cmd=%x,arg=%lx)\n", fp, cmd,arg);
- brdnr = iminor(ip);
+ brdnr = iminor(fp->f_dentry->d_inode);
if (brdnr >= STL_MAXBRDS)
return -ENODEV;
rc = 0;
+ lock_kernel();
switch (cmd) {
case COM_GETPORTSTATS:
rc = stl_getportstats(NULL, NULL, argp);
@@ -2518,7 +2519,7 @@ static int stl_memioctl(struct inode *ip, struct file *fp, unsigned int cmd, uns
rc = -ENOIOCTLCMD;
break;
}
-
+ unlock_kernel();
return rc;
}