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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-24 08:01:10 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-24 08:01:10 -0700
commitf13771187b9423b824f32518319f6da85d819003 (patch)
treec431cf16c286065a302d5f3fb43fc1abac7e4047 /drivers/rtc
parent15953654cc312429740fd58fb37a5a3d63a54376 (diff)
parent9f37af654fda88a8dcca74c785f6c20e52758866 (diff)
Merge branch 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing
* 'bkl/ioctl' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic/random-tracing: uml: Pushdown the bkl from harddog_kern ioctl sunrpc: Pushdown the bkl from sunrpc cache ioctl sunrpc: Pushdown the bkl from ioctl autofs4: Pushdown the bkl from ioctl uml: Convert to unlocked_ioctls to remove implicit BKL ncpfs: BKL ioctl pushdown coda: Clean-up whitespace problems in pioctl.c coda: BKL ioctl pushdown drivers: Push down BKL into various drivers isdn: Push down BKL into ioctl functions scsi: Push down BKL into ioctl functions dvb: Push down BKL into ioctl functions smbfs: Push down BKL into ioctl function coda/psdev: Remove BKL from ioctl function um/mmapper: Remove BKL usage sn_hwperf: Kill BKL usage hfsplus: Push down BKL into ioctl function
Diffstat (limited to 'drivers/rtc')
-rw-r--r--drivers/rtc/rtc-m41t80.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 60fe266f0f4..038095d9997 100644
--- a/drivers/rtc/rtc-m41t80.c
+++ b/drivers/rtc/rtc-m41t80.c
@@ -623,7 +623,7 @@ static ssize_t wdt_read(struct file *file, char __user *buf,
* according to their available features. We only actually usefully support
* querying capabilities and current status.
*/
-static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
+static int wdt_ioctl(struct file *file, unsigned int cmd,
unsigned long arg)
{
int new_margin, rv;
@@ -676,6 +676,18 @@ static int wdt_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
return -ENOTTY;
}
+static long wdt_unlocked_ioctl(struct file *file, unsigned int cmd,
+ unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = wdt_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
/**
* wdt_open:
* @inode: inode of device
@@ -736,7 +748,7 @@ static int wdt_notify_sys(struct notifier_block *this, unsigned long code,
static const struct file_operations wdt_fops = {
.owner = THIS_MODULE,
.read = wdt_read,
- .ioctl = wdt_ioctl,
+ .unlocked_ioctl = wdt_unlocked_ioctl,
.write = wdt_write,
.open = wdt_open,
.release = wdt_release,