Commit aff985fd authored Jan 12, 2017 by Stafford Horne Committed by Shuah Khan Jan 19, 2017

selftests/intel_pstate: Fix warning on loop index overflow



The build was showing the warning:
 aperf.c:60:27: warning: iteration 2147483647 invokes undefined behavior
 [-Waggressive-loop-optimizations]
  for (i=0; i<0x8fffffff; i++) {

This change sets i, cpu and fd to unsigned int as they should not need
to be signed.

Cc: Prarit Bhargava <prarit@redhat.com>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>

parent 4da39ceb

tools/testing/selftests/intel_pstate/aperf.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -14,7 +14,7 @@ void usage(char *name) {
		}

		int main(int argc, char **argv) {
		int i, cpu, fd;
		unsigned int i, cpu, fd;
		char msr_file_name[64];
		long long tsc, old_tsc, new_tsc;
		long long aperf, old_aperf, new_aperf;