Commit 9640388b authored by Steven Rostedt's avatar Steven Rostedt Committed by Steven Rostedt

ftrace: Fix function tracing recursion self test

The function tracing recursion self test should not crash
the machine if the resursion test fails. If it detects that
the function tracing is recursing when it should not be, then
bail, don't go into an infinite recursive loop.
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
parent 63503794
...@@ -415,7 +415,8 @@ static void trace_selftest_test_recursion_func(unsigned long ip, ...@@ -415,7 +415,8 @@ static void trace_selftest_test_recursion_func(unsigned long ip,
* The ftrace infrastructure should provide the recursion * The ftrace infrastructure should provide the recursion
* protection. If not, this will crash the kernel! * protection. If not, this will crash the kernel!
*/ */
trace_selftest_recursion_cnt++; if (trace_selftest_recursion_cnt++ > 10)
return;
DYN_FTRACE_TEST_NAME(); DYN_FTRACE_TEST_NAME();
} }
......
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