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authorArnd Bergmann <arnd@arndb.de>2010-04-27 00:24:02 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2010-05-17 05:27:05 +0200
commit703c631ebbcadcfd861d01e697fdda7c388fec9a (patch)
tree7c93468e7c898f448a330ce266d6b9205238d64a /drivers
parentf4927c45beda9a70e5c3bda0bd9f12b4f713c00b (diff)
isdn: Push down BKL into ioctl functions
Push down bkl into isdn ioctl functions [fweisbec: dropped drivers/isdn/divert/divert_procfs.c as it has been pushed down in procfs branch already] Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/isdn/capi/capi.c17
-rw-r--r--drivers/isdn/i4l/isdn_common.c18
-rw-r--r--drivers/isdn/mISDN/timerdev.c10
3 files changed, 35 insertions, 10 deletions
diff --git a/drivers/isdn/capi/capi.c b/drivers/isdn/capi/capi.c
index ee5837522f5..0cabe31f26d 100644
--- a/drivers/isdn/capi/capi.c
+++ b/drivers/isdn/capi/capi.c
@@ -787,8 +787,7 @@ capi_poll(struct file *file, poll_table * wait)
}
static int
-capi_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg)
+capi_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
struct capidev *cdev = file->private_data;
capi_ioctl_struct data;
@@ -981,6 +980,18 @@ register_out:
}
}
+static long
+capi_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = capi_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
static int capi_open(struct inode *inode, struct file *file)
{
struct capidev *cdev;
@@ -1026,7 +1037,7 @@ static const struct file_operations capi_fops =
.read = capi_read,
.write = capi_write,
.poll = capi_poll,
- .ioctl = capi_ioctl,
+ .unlocked_ioctl = capi_unlocked_ioctl,
.open = capi_open,
.release = capi_release,
};
diff --git a/drivers/isdn/i4l/isdn_common.c b/drivers/isdn/i4l/isdn_common.c
index 70044ee4b22..a44cdb492ea 100644
--- a/drivers/isdn/i4l/isdn_common.c
+++ b/drivers/isdn/i4l/isdn_common.c
@@ -1272,9 +1272,9 @@ isdn_poll(struct file *file, poll_table * wait)
static int
-isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
+isdn_ioctl(struct file *file, uint cmd, ulong arg)
{
- uint minor = iminor(inode);
+ uint minor = iminor(file->f_path.dentry->d_inode);
isdn_ctrl c;
int drvidx;
int chidx;
@@ -1722,6 +1722,18 @@ isdn_ioctl(struct inode *inode, struct file *file, uint cmd, ulong arg)
#undef cfg
}
+static long
+isdn_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = isdn_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
/*
* Open the device code.
*/
@@ -1838,7 +1850,7 @@ static const struct file_operations isdn_fops =
.read = isdn_read,
.write = isdn_write,
.poll = isdn_poll,
- .ioctl = isdn_ioctl,
+ .unlocked_ioctl = isdn_unlocked_ioctl,
.open = isdn_open,
.release = isdn_close,
};
diff --git a/drivers/isdn/mISDN/timerdev.c b/drivers/isdn/mISDN/timerdev.c
index 8785004e85e..c3243c913ec 100644
--- a/drivers/isdn/mISDN/timerdev.c
+++ b/drivers/isdn/mISDN/timerdev.c
@@ -24,6 +24,7 @@
#include <linux/miscdevice.h>
#include <linux/module.h>
#include <linux/mISDNif.h>
+#include <linux/smp_lock.h>
#include "core.h"
static u_int *debug;
@@ -215,9 +216,8 @@ unlock:
return ret;
}
-static int
-mISDN_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
- unsigned long arg)
+static long
+mISDN_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
{
struct mISDNtimerdev *dev = filep->private_data;
int id, tout, ret = 0;
@@ -226,6 +226,7 @@ mISDN_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
if (*debug & DEBUG_TIMER)
printk(KERN_DEBUG "%s(%p, %x, %lx)\n", __func__,
filep, cmd, arg);
+ lock_kernel();
switch (cmd) {
case IMADDTIMER:
if (get_user(tout, (int __user *)arg)) {
@@ -257,13 +258,14 @@ mISDN_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
default:
ret = -EINVAL;
}
+ unlock_kernel();
return ret;
}
static const struct file_operations mISDN_fops = {
.read = mISDN_read,
.poll = mISDN_poll,
- .ioctl = mISDN_ioctl,
+ .unlocked_ioctl = mISDN_ioctl,
.open = mISDN_open,
.release = mISDN_close,
};