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5936f54d6c
When setup_sorting() is called, 'str' is passed to strtok_r() but it's not checked to have a valid pointer. As strtok_r() accepts NULL pointer on a first argument and use the third argument in that case, it can cause a trouble since our third argument, tmp, is not initialized. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Acked-by: Jiri Olsa <jolsa@redhat.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/r/1360130237-9963-3-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>