ftrace: Don't increment @pos in g_start()
authorLi Zefan <lizf@cn.fujitsu.com>
Wed, 24 Jun 2009 01:54:00 +0000 (09:54 +0800)
committerIngo Molnar <mingo@elte.hu>
Wed, 24 Jun 2009 09:02:52 +0000 (11:02 +0200)
commit85951842a1020669f0a9eb0f0d1853b41341f097
tree799bba3e78b7424761901dacf3290ce05b9cb9ed
parentf129e965bef40c6153e4fe505f1e408286213424
ftrace: Don't increment @pos in g_start()

It's wrong to increment @pos in g_start(). It causes some entries
lost when reading set_graph_function, if the output of the file
is larger than PAGE_SIZE.

Reviewed-by: Liming Wang <liming.wang@windriver.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4A418738.7090401@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/trace/ftrace.c