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-rw-r--r--tools/perf/util/machine.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 3c520baa198c..28a9541c4835 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1234,8 +1234,9 @@ static char *get_kernel_version(const char *root_dir)
if (!file)
return NULL;
- version[0] = '\0';
tmp = fgets(version, sizeof(version), file);
+ if (!tmp)
+ *version = '\0';
fclose(file);
name = strstr(version, prefix);