perf tools: Remove compressed argument from is_kernel_module

We no longer need the 'compressed' argument, because all
current users use 'NULL' for it.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-d72q2s7ggbmy2yzhumux4zzw@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c
index f375483..8803a69 100644
--- a/tools/perf/util/dso.c
+++ b/tools/perf/util/dso.c
@@ -176,16 +176,13 @@
 	return false;
 }
 
-bool is_kernel_module(const char *pathname, bool *compressed)
+bool is_kernel_module(const char *pathname)
 {
 	struct kmod_path m;
 
 	if (kmod_path__parse(&m, pathname))
 		return NULL;
 
-	if (compressed)
-		*compressed = m.comp;
-
 	return m.kmod;
 }