Revert "perf tools: Decompress kernel module when reading DSO data"

This reverts commit e2d054998b151e85b6305aa72264f67097bd78e9 which is
commit 1d6b3c9ba756a5134fd7ad1959acac776d17404b upstream.

It breaks the build, so obviously none of us actually tested it :(

Reported-by: Maxime Hadjinlian <maxime.hadjinlian@gmail.com>
Reported-by: Akemi Yagi <toracat@elrepo.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: kernel-team@lge.com
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index 4bc5882..d2c6cdd 100644 (file)
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -366,23 +366,7 @@ static int __open_dso(struct dso *dso, struct machine *machine)
        if (!is_regular_file(name))
                return -EINVAL;
 
-       if (dso__needs_decompress(dso)) {
-               char newpath[KMOD_DECOMP_LEN];
-               size_t len = sizeof(newpath);
-
-               if (dso__decompress_kmodule_path(dso, name, newpath, len) < 0) {
-                       free(name);
-                       return -dso->load_errno;
-               }
-
-               strcpy(name, newpath);
-       }
-
        fd = do_open(name);
-
-       if (dso__needs_decompress(dso))
-               unlink(name);
-
        free(name);
        return fd;
 }