diff options
| author | Li Zefan <lizf@cn.fujitsu.com> | 2009-07-07 13:52:52 +0800 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-07-10 11:59:40 +0200 |
| commit | be9742e6cb107fe1d77db7a081ea4eb25e79e1ad (patch) | |
| tree | 02730de2546677700ba98944b755c1bfbeee27ed /kernel/trace/trace_functions_graph.c | |
| parent | db59504d89db1462a5281fb55b1d962cb74a398f (diff) | |
| download | olio-linux-3.10-be9742e6cb107fe1d77db7a081ea4eb25e79e1ad.tar.xz olio-linux-3.10-be9742e6cb107fe1d77db7a081ea4eb25e79e1ad.zip | |
ksym_tracer: Rewrite ksym_trace_filter_read()
Reading ksym_trace_filter gave me some arbitrary characters,
when it should show nothing. It's because buf is not initialized
when there's no filter.
Also reduce stack usage by about 512 bytes.
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Cc: "K.Prasad" <prasad@linux.vnet.ibm.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <4A52E2B4.6030706@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
0 files changed, 0 insertions, 0 deletions