1 files changed, 15 insertions, 13 deletions

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 6d8ef4a3a9b5..dd2d1a2bdae9 100644
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -162,19 +162,21 @@ void print_header(void)
 
 void dump_cnt(struct counters *cnt)
 {
-        fprintf(stderr, "package: %d ", cnt->pkg);
-        fprintf(stderr, "core:: %d ", cnt->core);
-        fprintf(stderr, "CPU: %d ", cnt->cpu);
-        fprintf(stderr, "TSC: %016llX\n", cnt->tsc);
-        fprintf(stderr, "c3: %016llX\n", cnt->c3);
-        fprintf(stderr, "c6: %016llX\n", cnt->c6);
-        fprintf(stderr, "c7: %016llX\n", cnt->c7);
-        fprintf(stderr, "aperf: %016llX\n", cnt->aperf);
-        fprintf(stderr, "pc2: %016llX\n", cnt->pc2);
-        fprintf(stderr, "pc3: %016llX\n", cnt->pc3);
-        fprintf(stderr, "pc6: %016llX\n", cnt->pc6);
-        fprintf(stderr, "pc7: %016llX\n", cnt->pc7);
-        fprintf(stderr, "msr0x%x: %016llX\n", extra_msr_offset, cnt->extra_msr);
+        if (!cnt)
+                return;
+        if (cnt->pkg) fprintf(stderr, "package: %d ", cnt->pkg);
+        if (cnt->core) fprintf(stderr, "core:: %d ", cnt->core);
+        if (cnt->cpu) fprintf(stderr, "CPU: %d ", cnt->cpu);
+        if (cnt->tsc) fprintf(stderr, "TSC: %016llX\n", cnt->tsc);
+        if (cnt->c3) fprintf(stderr, "c3: %016llX\n", cnt->c3);
+        if (cnt->c6) fprintf(stderr, "c6: %016llX\n", cnt->c6);
+        if (cnt->c7) fprintf(stderr, "c7: %016llX\n", cnt->c7);
+        if (cnt->aperf) fprintf(stderr, "aperf: %016llX\n", cnt->aperf);
+        if (cnt->pc2) fprintf(stderr, "pc2: %016llX\n", cnt->pc2);
+        if (cnt->pc3) fprintf(stderr, "pc3: %016llX\n", cnt->pc3);
+        if (cnt->pc6) fprintf(stderr, "pc6: %016llX\n", cnt->pc6);
+        if (cnt->pc7) fprintf(stderr, "pc7: %016llX\n", cnt->pc7);
+        if (cnt->extra_msr) fprintf(stderr, "msr0x%x: %016llX\n", extra_msr_offset, cnt->extra_msr);
 }
 
 void dump_list(struct counters *cnt)