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authorDan Carpenter <dan.carpenter@oracle.com>2012-06-09 19:10:27 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-12-17 11:07:22 -0800
commit5bab98768136ee54b82ef6dd7fc0ec1c41ef8431 (patch)
tree331ce1e9bdcbd688e7d6f6f8fabc2759e5acbf97
parent5338f92b421c257ff09d0ef65fde4447eccb0c95 (diff)
ftrace: Clear bits properly in reset_iter_read()
commit 70f77b3f7ec010ff9624c1f2e39a81babc9e2429 upstream. 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 Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--kernel/trace/ftrace.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 9dcf15d38380..51b71594f321 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)