[PATCH V3 01/10] perf tools: fix path unpopulated in machine__create_modules()

[Adrian Hunter <adrian.hunter@intel.com>]

In machine__create_modules() the 'path' char array
was used in a call to symbol__restricted_filename()
without always being populated.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
---
 tools/perf/util/machine.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 933d14f..ddf917b 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -785,14 +785,14 @@ static int machine__create_modules(struct machine *machine)
 	const char *modules;
 	char path[PATH_MAX];
 
-	if (machine__is_default_guest(machine))
+	if (machine__is_default_guest(machine)) {
 		modules = symbol_conf.default_guest_modules;
-	else {
-		sprintf(path, "%s/proc/modules", machine->root_dir);
+	} else {
+		snprintf(path, PATH_MAX, "%s/proc/modules", machine->root_dir);
 		modules = path;
 	}
 
-	if (symbol__restricted_filename(path, "/proc/modules"))
+	if (symbol__restricted_filename(modules, "/proc/modules"))
 		return -1;
 
 	file = fopen(modules, "r");
-- 
1.7.11.7