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perf report: Annotate variable initialization
Certain versions of GCC dont see the initialization that is done here: builtin-report.c: In function ‘__cmd_report’: builtin-report.c:1038: warning: ‘syms’ may be used uninitialized in this function So annotate it with a NULL initialization. Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Mike Galbraith <efault@gmx.de> Cc: Paul Mackerras <paulus@samba.org> Cc: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -1035,7 +1035,7 @@ resolve_callchain(struct thread *thread, struct map *map __used,
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struct ip_callchain *chain, struct hist_entry *entry)
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struct ip_callchain *chain, struct hist_entry *entry)
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{
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{
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u64 context = PERF_CONTEXT_MAX;
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u64 context = PERF_CONTEXT_MAX;
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struct symbol **syms;
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struct symbol **syms = NULL;
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unsigned int i;
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unsigned int i;
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if (callchain) {
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if (callchain) {
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