mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

ftrace: fix setting of pos in read_pipe 

In resetting the iterator in read_pipe, the reset of pos was
postitioned in the wrong location with respect to the memset
operation. The current code sets pos, incorrectly, to zero.

Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Steven Rostedt 2008-05-12 21:21:01 +02:00 committed by Thomas Gleixner
parent 2f1dafe50c
commit 4823ed7ead
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
kernel/trace/trace.c
View File

@ -2455,10 +2455,10 @@ tracing_read_pipe(struct file *filp, char __user *ubuf,
cnt = PAGE_SIZE - 1;
/* reset all but tr, trace, and overruns */
iter->pos = -1;
memset(&iter->seq, 0,
sizeof(struct trace_iterator) -
offsetof(struct trace_iterator, seq));
iter->pos = -1;
/*
* We need to stop all tracing on all CPUS to read the