diff options
Diffstat (limited to 'drivers/oprofile/oprofilefs.c')
| -rw-r--r-- | drivers/oprofile/oprofilefs.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/oprofile/oprofilefs.c b/drivers/oprofile/oprofilefs.c index 789a1a857ddf..1944621930d9 100644 --- a/drivers/oprofile/oprofilefs.c +++ b/drivers/oprofile/oprofilefs.c @@ -91,16 +91,20 @@ static ssize_t ulong_read_file(struct file *file, char __user *buf, size_t count static ssize_t ulong_write_file(struct file *file, char const __user *buf, size_t count, loff_t *offset) { - unsigned long *value = file->private_data; + unsigned long value; int retval; if (*offset) return -EINVAL; - retval = oprofilefs_ulong_from_user(value, buf, count); + retval = oprofilefs_ulong_from_user(&value, buf, count); + if (retval) + return retval; + retval = oprofile_set_ulong(file->private_data, value); if (retval) return retval; + return count; } |