diff options
| author | Oleg Nesterov <oleg@redhat.com> | 2013-07-23 11:26:06 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-08-29 12:47:32 -0400 |
| commit | e5dd03c411713c066b94e1d448359e5216115c1c (patch) | |
| tree | 3d48fdc9a0a333614a5a68ead416780619a61e3b /kernel/mutex-debug.c | |
| parent | 6dafb0f13798c998ec344bf910b2d89c51961481 (diff) | |
tracing: Change tracing_entries_fops to rely on tracing_get_cpu()
commit 0bc392ee46d0fd8e6b678457ef71f074f19a03c5 upstream.
tracing_open_generic_tc() is racy, the memory inode->i_private
points to can be already freed.
1. Change its last user, tracing_entries_fops, to use
tracing_*_generic_tr() instead.
2. Change debugfs_create_file("buffer_size_kb", data) callers
to pass "data = tr".
3. Change tracing_entries_read() and tracing_entries_write() to
use tracing_get_cpu().
4. Kill the no longer used tracing_open_generic_tc() and
tracing_release_generic_tc().
Link: http://lkml.kernel.org/r/20130723152606.GA23730@redhat.com
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/mutex-debug.c')
0 files changed, 0 insertions, 0 deletions