perf script: Fix mem leaks and NULL pointer checks around strdup()s
Fix mem leaks and missing NULL pointer checks after strdup(). And get_script_path() did not free __script_root in case of continue. Introduce a helper function get_script_root(). Cc: Ingo Molnar <mingo@elte.hu> Link: http://lkml.kernel.org/r/1322217520-3287-1-git-send-email-robert.richter@amd.comSigned-off-by: Robert Richter <robert.richter@amd.com> Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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