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author | Paul Mundt <lethal@linux-sh.org> | 2010-05-31 13:14:26 +0900 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2010-05-31 13:14:26 +0900 |
commit | d5b732b17ca2fc74f370bdba5aae6c804fac8c35 (patch) | |
tree | 4facc6d96116b032a3c1cb2ced9b2a3008e9216e /drivers/hwmon/w83793.c | |
parent | eb6e8605ee5f5b4e116451bf01b3f35eac446dde (diff) | |
parent | 67a3e12b05e055c0415c556a315a3d3eb637e29e (diff) | |
download | linux-stable-d5b732b17ca2fc74f370bdba5aae6c804fac8c35.tar.gz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/hwmon/w83793.c')
-rw-r--r-- | drivers/hwmon/w83793.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/hwmon/w83793.c b/drivers/hwmon/w83793.c index 612807d97155..697202e27891 100644 --- a/drivers/hwmon/w83793.c +++ b/drivers/hwmon/w83793.c @@ -35,6 +35,7 @@ #include <linux/slab.h> #include <linux/i2c.h> #include <linux/hwmon.h> +#include <linux/smp_lock.h> #include <linux/hwmon-vid.h> #include <linux/hwmon-sysfs.h> #include <linux/err.h> @@ -1319,8 +1320,8 @@ static ssize_t watchdog_write(struct file *filp, const char __user *buf, return count; } -static int watchdog_ioctl(struct inode *inode, struct file *filp, - unsigned int cmd, unsigned long arg) +static long watchdog_ioctl(struct file *filp, unsigned int cmd, + unsigned long arg) { static struct watchdog_info ident = { .options = WDIOF_KEEPALIVEPING | @@ -1332,6 +1333,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp, int val, ret = 0; struct w83793_data *data = filp->private_data; + lock_kernel(); switch (cmd) { case WDIOC_GETSUPPORT: if (!nowayout) @@ -1385,7 +1387,7 @@ static int watchdog_ioctl(struct inode *inode, struct file *filp, default: ret = -ENOTTY; } - + unlock_kernel(); return ret; } @@ -1395,7 +1397,7 @@ static const struct file_operations watchdog_fops = { .open = watchdog_open, .release = watchdog_close, .write = watchdog_write, - .ioctl = watchdog_ioctl, + .unlocked_ioctl = watchdog_ioctl, }; /* |