tracing/filters: operand can be negative
authorLi Zefan <lizf@cn.fujitsu.com>
Mon, 15 Jun 2009 02:58:39 +0000 (10:58 +0800)
committerSteven Rostedt <rostedt@goodmis.org>
Mon, 15 Jun 2009 15:37:16 +0000 (11:37 -0400)
commit5e4904cb633177046bee5d26946a7ac918e642fc
tree9ae10b1c3d707c0c3faffa8a4b337c055222d899
parente4f2d10f479d18198ebafcb5e124cc3dd8b8817a
tracing/filters: operand can be negative

This should be a bug:

 # cat format
 name: foo_bar
 ID: 71
 format:
 ...
         field:int bar;  offset:24;      size:4;
 # echo 'bar < 0' > filter
 # echo 'bar < -1' > filter
 bash: echo: write error: Invalid argument

[ Impact: fix to allow negative operand in filer expr ]

Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
LKML-Reference: <4A35B8DF.60400@cn.fujitsu.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
kernel/trace/trace_events_filter.c