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Message-ID: <Pine.LNX.4.58.0804222205110.32718@gandalf.stny.rr.com> Date: Tue, 22 Apr 2008 22:08:09 -0400 (EDT) From: Steven Rostedt <rostedt@...dmis.org> To: LKML <linux-kernel@...r.kernel.org> cc: Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>, akpm@...dmis.org, Soeren Sandmann Pedersen <sandmann@...hat.com>, Pekka Paalanen <pq@....fi> Subject: [PATCH] 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@...hat.com> --- kernel/trace/trace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) Index: linux-sched-devel.git/kernel/trace/trace.c =================================================================== --- linux-sched-devel.git.orig/kernel/trace/trace.c 2008-04-22 10:41:58.000000000 -0400 +++ linux-sched-devel.git/kernel/trace/trace.c 2008-04-22 10:42:41.000000000 -0400 @@ -2500,10 +2500,10 @@ tracing_read_pipe(struct file *filp, cha 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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