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authorNamhyung Kim <namhyung.kim@lge.com>2013-03-21 16:18:44 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-03-21 13:09:42 -0300
commit454f8c7d26fa7e1545df4efca5d9ba929ccef1e8 (patch)
treeac0892882d9293d62c1e0fdaee08f3b250f67a12 /tools/perf/util/usage.c
parent62baca8aed636eb10f9274761aa1dcbfd48a7caa (diff)
downloadlinux-454f8c7d26fa7e1545df4efca5d9ba929ccef1e8.tar.gz
perf tools: Let get_tracing_file() return NULL to indicate failure.
So that it can be used by other places. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Steven Rostedt <rostedt@goodmis.org> Link: http://lkml.kernel.org/r/1363850332-25297-2-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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