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authorGrant Likely <grant.likely@secretlab.ca>2010-05-25 00:38:26 -0600
committerGrant Likely <grant.likely@secretlab.ca>2010-05-25 00:38:26 -0600
commitb1e50ebcf24668e57f058deb48b0704b5391ed0f (patch)
tree17e1b69b249d0738317b732186340c9dd053f1a1 /drivers/input/misc/hp_sdc_rtc.c
parent0c2a2ae32793e3500a15a449612485f5d17dd431 (diff)
parent7e125f7b9cbfce4101191b8076d606c517a73066 (diff)
Merge remote branch 'origin' into secretlab/next-spi
Diffstat (limited to 'drivers/input/misc/hp_sdc_rtc.c')
-rw-r--r--drivers/input/misc/hp_sdc_rtc.c34
1 files changed, 24 insertions, 10 deletions
diff --git a/drivers/input/misc/hp_sdc_rtc.c b/drivers/input/misc/hp_sdc_rtc.c
index ad730e15afc0..e00a1cc79c0a 100644
--- a/drivers/input/misc/hp_sdc_rtc.c
+++ b/drivers/input/misc/hp_sdc_rtc.c
@@ -43,6 +43,7 @@
#include <linux/proc_fs.h>
#include <linux/poll.h>
#include <linux/rtc.h>
+#include <linux/smp_lock.h>
#include <linux/semaphore.h>
MODULE_AUTHOR("Brian S. Julin <bri@calyx.com>");
@@ -64,8 +65,8 @@ static DECLARE_WAIT_QUEUE_HEAD(hp_sdc_rtc_wait);
static ssize_t hp_sdc_rtc_read(struct file *file, char __user *buf,
size_t count, loff_t *ppos);
-static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
- unsigned int cmd, unsigned long arg);
+static long hp_sdc_rtc_unlocked_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg);
static unsigned int hp_sdc_rtc_poll(struct file *file, poll_table *wait);
@@ -512,7 +513,7 @@ static int hp_sdc_rtc_read_proc(char *page, char **start, off_t off,
return len;
}
-static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
+static int hp_sdc_rtc_ioctl(struct file *file,
unsigned int cmd, unsigned long arg)
{
#if 1
@@ -659,14 +660,27 @@ static int hp_sdc_rtc_ioctl(struct inode *inode, struct file *file,
#endif
}
+static long hp_sdc_rtc_unlocked_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ int ret;
+
+ lock_kernel();
+ ret = hp_sdc_rtc_ioctl(file, cmd, arg);
+ unlock_kernel();
+
+ return ret;
+}
+
+
static const struct file_operations hp_sdc_rtc_fops = {
- .owner = THIS_MODULE,
- .llseek = no_llseek,
- .read = hp_sdc_rtc_read,
- .poll = hp_sdc_rtc_poll,
- .ioctl = hp_sdc_rtc_ioctl,
- .open = hp_sdc_rtc_open,
- .fasync = hp_sdc_rtc_fasync,
+ .owner = THIS_MODULE,
+ .llseek = no_llseek,
+ .read = hp_sdc_rtc_read,
+ .poll = hp_sdc_rtc_poll,
+ .unlocked_ioctl = hp_sdc_rtc_ioctl,
+ .open = hp_sdc_rtc_open,
+ .fasync = hp_sdc_rtc_fasync,
};
static struct miscdevice hp_sdc_rtc_dev = {