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author | David Ahern <dsahern@gmail.com> | 2013-10-09 21:51:31 -0600 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-10-14 10:28:52 -0300 |
commit | a949fffb84df6f9be136198a00f796a9dc696bd0 (patch) | |
tree | 50f52fafb9989048fdff2f81b84ea2a30a4fa19c /tools/perf/util | |
parent | bf2575c121ca11247ef07fd02b43f7430834f7b1 (diff) | |
download | linux-a949fffb84df6f9be136198a00f796a9dc696bd0.tar.gz |
perf tools: Fix old GCC build error in 'get_srcline'
trace-event-parse.c:parse_proc_kallsyms() Old GCC (4.4.2) does not see through the code flow of get_srcline() and gets confused about the status of 'file' and 'line': CC /tmp/build/perf/util/srcline.o cc1: warnings being treated as errors util/srcline.c: In function ¿get_srcline¿: util/srcline.c:226: error: ¿file¿ may be used uninitialized in this function util/srcline.c:227: error: ¿line¿ may be used uninitialized in this function make[1]: *** [/tmp/build/perf/util/srcline.o] Error 1 make: *** [install] Error 2 make: Leaving directory `/home/acme/git/linux/tools/perf' [acme@fedora12 linux]$ Help out GCC by initializing 'file' and 'line'. Signed-off-by: David Ahern <dsahern@gmail.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@gmail.com> Link: http://lkml.kernel.org/n/tip-h8k7h49z3cndqgjdftkmm9f8@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
-rw-r--r-- | tools/perf/util/srcline.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c index 37353194e0f6..d11aefbc4b8d 100644 --- a/tools/perf/util/srcline.c +++ b/tools/perf/util/srcline.c @@ -223,8 +223,8 @@ out: char *get_srcline(struct dso *dso, unsigned long addr) { - char *file; - unsigned line; + char *file = NULL; + unsigned line = 0; char *srcline; char *dso_name = dso->long_name; size_t size; |