diff options
Diffstat (limited to 'drivers/oprofile/event_buffer.c')
| -rw-r--r-- | drivers/oprofile/event_buffer.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/oprofile/event_buffer.c b/drivers/oprofile/event_buffer.c index 5df60a6b677..c0cc4e7ff02 100644 --- a/drivers/oprofile/event_buffer.c +++ b/drivers/oprofile/event_buffer.c @@ -82,10 +82,10 @@ int alloc_event_buffer(void) { unsigned long flags; - spin_lock_irqsave(&oprofilefs_lock, flags); + raw_spin_lock_irqsave(&oprofilefs_lock, flags); buffer_size = oprofile_buffer_size; buffer_watershed = oprofile_buffer_watershed; - spin_unlock_irqrestore(&oprofilefs_lock, flags); + raw_spin_unlock_irqrestore(&oprofilefs_lock, flags); if (buffer_watershed >= buffer_size) return -EINVAL; @@ -135,7 +135,7 @@ static int event_buffer_open(struct inode *inode, struct file *file) * echo 1 >/dev/oprofile/enable */ - return 0; + return nonseekable_open(inode, file); fail: dcookie_unregister(file->private_data); @@ -205,4 +205,5 @@ const struct file_operations event_buffer_fops = { .open = event_buffer_open, .release = event_buffer_release, .read = event_buffer_read, + .llseek = no_llseek, }; |