From: Namhyung Kim <namhy...@kernel.org>

When libbfd is not used, addr2inlines() executes `addr2line -i` and
process output line by line.  But it resets filename to NULL in the loop
so getline() allocates additional memory everytime instead of realloc.

Signed-off-by: Namhyung Kim <namhy...@kernel.org>
Acked-by: Jiri Olsa <jo...@kernel.org>
Cc: Jin Yao <yao....@linux.intel.com>
Cc: Milian Wolff <milian.wo...@kdab.com>
Cc: Peter Zijlstra <pet...@infradead.org>
Cc: kernel-t...@lge.com
Link: http://lkml.kernel.org/r/20171031020654.31163-1-namhy...@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/util/srcline.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index c143c3bc1ef8..51dc49c65476 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -456,20 +456,17 @@ static struct inline_node *addr2inlines(const char 
*dso_name, u64 addr,
        while (getline(&filename, &len, fp) != -1) {
                char *srcline;
 
-               if (filename_split(filename, &line_nr) != 1) {
-                       free(filename);
+               if (filename_split(filename, &line_nr) != 1)
                        goto out;
-               }
 
                srcline = srcline_from_fileline(filename, line_nr);
                if (inline_list__append(sym, srcline, node) != 0)
                        goto out;
-
-               filename = NULL;
        }
 
 out:
        pclose(fp);
+       free(filename);
 
        return node;
 }
-- 
2.13.6

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