[PATCH v2 2/3] perf tools: Decompress kernel module when reading DSO data

[Namhyung Kim]

Currently perf decompresses kernel modules when loading symbol table but
it missed to do it when reading raw data.

Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
 tools/perf/util/dso.c | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index fc4747a8c283..77e5701e38b9 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -463,8 +463,22 @@ static int __open_dso(struct dso *dso, struct machine 
*machine)
                return -EINVAL;
        }
 
-       if (!is_regular_file(name))
+       if (!is_regular_file(name)) {
+               free(name);
                return -EINVAL;
+       }
+
+       if (dso__needs_decompress(dso)) {
+               char newpath[32];
+               size_t len = sizeof(newpath);
+
+               if (dso__decompress_kmodule_path(dso, name, newpath, len) < 0) {
+                       free(name);
+                       return -1;
+               }
+
+               strcpy(name, newpath);
+       }
 
        fd = do_open(name);
        free(name);
-- 
2.13.0