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perf build-id: Fix filename size calculation 

The filename is a pointer variable so the sizeof(filename) will return
length of a pointer. Fix it by using 'size'.

Signed-off-by: Namhyung Kim <namhyung@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1335881976-3282-1-git-send-email-namhyung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2012-05-01 23:19:36 +09:00 committed by Arnaldo Carvalho de Melo
parent 33ff581edd
commit afda0f9448
1 changed files with 1 additions and 1 deletions
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2
tools/perf/util/header.c
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@ -296,7 +296,7 @@ int build_id_cache__add_s(const char *sbuild_id, const char *debugdir,
if (mkdir_p(filename, 0755))
goto out_free;
snprintf(filename + len, sizeof(filename) - len, "/%s", sbuild_id);
snprintf(filename + len, size - len, "/%s", sbuild_id);
if (access(filename, F_OK)) {
if (is_kallsyms) {