[IA64] sn2: add missing put_cpu()

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / ia64 / sn / kernel / sn2 / sn_hwperf.c

diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index 30862c0..2de41d4 100644 (file)
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -615,11 +615,15 @@ static int sn_hwperf_op_cpu(struct sn_hwperf_op_info *op_info)
                }
        }
 
-       if (cpu == SN_HWPERF_ARG_ANY_CPU || cpu == get_cpu()) {
-               /* don't care, or already on correct cpu */
+       if (cpu == SN_HWPERF_ARG_ANY_CPU) {
+               /* don't care which cpu */
                sn_hwperf_call_sal(op_info);
-       }
-       else {
+       } else if (cpu == get_cpu()) {
+               /* already on correct cpu */
+               sn_hwperf_call_sal(op_info);
+               put_cpu();
+       } else {
+               put_cpu();
                if (use_ipi) {
                        /* use an interprocessor interrupt to call SAL */
                        smp_call_function_single(cpu, sn_hwperf_call_sal,