From: Dan Carpenter Date: Sat, 9 Jun 2012 16:10:27 +0000 (+0300) Subject: ftrace: Clear bits properly in reset_iter_read() X-Git-Tag: upstream/snapshot3+hdmi~6127^2^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=70f77b3f7ec010ff9624c1f2e39a81babc9e2429;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git ftrace: Clear bits properly in reset_iter_read() There is a typo here where '&' is used instead of '|' and it turns the statement into a noop. The original code is equivalent to: iter->flags &= ~((1 << 2) & (1 << 4)); Link: http://lkml.kernel.org/r/20120609161027.GD6488@elgon.mountain Cc: stable@vger.kernel.org # all of them Signed-off-by: Dan Carpenter Signed-off-by: Steven Rostedt --- diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 9dcf15d..51b7159 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -2437,7 +2437,7 @@ static void reset_iter_read(struct ftrace_iterator *iter) { iter->pos = 0; iter->func_pos = 0; - iter->flags &= ~(FTRACE_ITER_PRINTALL & FTRACE_ITER_HASH); + iter->flags &= ~(FTRACE_ITER_PRINTALL | FTRACE_ITER_HASH); } static void *t_start(struct seq_file *m, loff_t *pos)