perf sort: Check for SRCLINE_UNKNOWN case in "srcfile" processing
Handle the SRCLINE_UNKNOWN case correctly when processing "srcfile".
Commiter note:
We can't just free it, as it was't allocated via malloc, its a guard
variable.
Reported-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Link: http://lkml.kernel.org/r/20150811133655.GC4524@tassilo.jf.intel.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c
index c0c32b0..7e38716 100644
--- a/tools/perf/util/sort.c
+++ b/tools/perf/util/sort.c
@@ -330,6 +330,8 @@
sf = get_srcline(map->dso, map__rip_2objdump(map, e->ip),
e->ms.sym, true);
+ if (!strcmp(sf, SRCLINE_UNKNOWN))
+ return no_srcfile;
p = strchr(sf, ':');
if (p && *sf) {
*p = 0;