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authorMatt Fleming <matthew.fleming@imgtec.com>2009-09-28 11:43:01 -0400
committerIngo Molnar <mingo@elte.hu>2009-10-01 02:19:24 -0400
commit33974093c024f08caadd2fc71a83bd811ed1831d (patch)
tree412ce703796e403697ea00a0d29296b21068f4b0 /include/linux/netlink.h
parent84d88d5d4efc37dfb8a93a4a58d8a227ee86ffa4 (diff)
tracing: Fix infinite recursion in ftrace_update_pid_func()
When CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST is enabled __ftrace_trace_function contains the current trace function, not ftrace_trace_function. In ftrace_update_pid_func() we currently incorrectly assign the value of ftrace_trace_function to __ftrace_trace_funcion before returning. Without this patch it is possible to execute an infinite recursion whereby ftrace_test_stop_func() calls __ftrace_trace_function, which was assigned ftrace_test_stop_func() in ftrace_update_pid_func(). Signed-off-by: Matt Fleming <matthew.fleming@imgtec.com> Acked-by: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <1254152581-18347-1-git-send-email-matt@console-pimps.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/netlink.h')
0 files changed, 0 insertions, 0 deletions