tools: turbostat: fix bitwise and operand

bug could cause false positive on indicating
presence of invarient TSC or APERF support.

Signed-off-by: Thomas Renninger <trenn@suse.de>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/tools/power/x86/turbostat/turbostat.c b/tools/power/x86/turbostat/turbostat.c
index 4c6983d..a96248f 100644 (file)
--- a/tools/power/x86/turbostat/turbostat.c
+++ b/tools/power/x86/turbostat/turbostat.c
@@ -892,7 +892,7 @@ void check_cpuid()
         * this check is valid for both Intel and AMD
         */
        asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x80000007));
-       has_invariant_tsc = edx && (1 << 8);
+       has_invariant_tsc = edx & (1 << 8);
 
        if (!has_invariant_tsc) {
                fprintf(stderr, "No invariant TSC\n");
@@ -905,7 +905,7 @@ void check_cpuid()
         */
 
        asm("cpuid" : "=a" (eax), "=b" (ebx), "=c" (ecx), "=d" (edx) : "a" (0x6));
-       has_aperf = ecx && (1 << 0);
+       has_aperf = ecx & (1 << 0);
        if (!has_aperf) {
                fprintf(stderr, "No APERF MSR\n");
                exit(1);