From: yuan linyu <[email protected]> Simplify and optimize the logic in trace_buffer_iter() to use a conditional operation instead of an if conditional.
Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: yuan linyu <[email protected]> Signed-off-by: Steven Rostedt (VMware) <[email protected]> --- kernel/trace/trace.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 630c5a24b2b2..f8f86231ad90 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -583,9 +583,7 @@ static __always_inline void trace_clear_recursion(int bit) static inline struct ring_buffer_iter * trace_buffer_iter(struct trace_iterator *iter, int cpu) { - if (iter->buffer_iter && iter->buffer_iter[cpu]) - return iter->buffer_iter[cpu]; - return NULL; + return iter->buffer_iter ? iter->buffer_iter[cpu] : NULL; } int tracer_init(struct tracer *t, struct trace_array *tr); -- 2.17.1
