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Wen Yang authored
The ftrace_profile->counter is unsigned long and do_div truncates it to 32 bits, which means it can test non-zero and be truncated to zero for division. Fix this issue by using div64_ul() instead. Link: http://lkml.kernel.org/r/20200103030248.14516-1-wenyang@linux.alibaba.com Cc: stable@vger.kernel.org Fixes: e330b3bc ("tracing: Show sample std dev in function profiling") Fixes: 34886c8b ("tracing: add average time in function to function profiler") Signed-off-by:
Wen Yang <wenyang@linux.alibaba.com> Signed-off-by:
Steven Rostedt (VMware) <rostedt@goodmis.org>
e31f7939