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authorArjan van de Ven <arjan@linux.intel.com>2009-06-06 21:22:33 +0200
committerIngo Molnar <mingo@elte.hu>2009-06-06 21:22:33 +0200
commite9fbc9dc9214d6a9de7d62627be5414804fd7b9f (patch)
tree296e7c7438bf7ef3b89a91ed79248b186e540d92 /tools
parent39273ee9756917129de3190d469b0b120f87e763 (diff)
downloadlinux-e9fbc9dc9214d6a9de7d62627be5414804fd7b9f.tar.gz
perf_counter tools: Initialize a stack variable before use
the "perf report" utility crashed in some circumstances because the "sym" stack variable was not initialized before used (as also proven by valgrind). With this fix both the crash goes away and valgrind no longer complains. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> 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> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'tools')
-rw-r--r--tools/perf/util/symbol.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 253821d1efd..158588c7f6b 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -457,6 +457,8 @@ static int dso__load_sym(struct dso *self, int fd, const char *name,
nr_syms = shdr.sh_size / shdr.sh_entsize;
+ memset(&sym, 0, sizeof(sym));
+
elf_symtab__for_each_symbol(syms, nr_syms, index, sym) {
struct symbol *f;
uint64_t obj_start;