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Commit d5d4e028 authored by Tony Luck's avatar Tony Luck
Browse files

[IA64] sn2: add missing put_cpu() 



sn_hwperf_op_cpu() uses get_cpu() but is missing a corresponding put_cpu().

Reported-by: default avatarThomas Meyer <thomas@m3y3r.de>
Acked-by: default avatarJack Steiner <steiner@sgi.com>
Signed-off-by: default avatarTony Luck <tony.luck@intel.com>
parent 322a8b03

arch/ia64/sn/kernel/sn2/sn_hwperf.c

+8 −4
Original line number Original line Diff line number Diff line
@@ -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()) {

	if (cpu == SN_HWPERF_ARG_ANY_CPU) {

		/* don't care, or already on correct cpu */

		/* don't care which cpu */

		sn_hwperf_call_sal(op_info);

		sn_hwperf_call_sal(op_info);

	}

	} else if (cpu == get_cpu()) {

	else {

		/* already on correct cpu */

		sn_hwperf_call_sal(op_info);

		put_cpu();

	} else {

		put_cpu();

		if (use_ipi) {

		if (use_ipi) {

			/* use an interprocessor interrupt to call SAL */

			/* use an interprocessor interrupt to call SAL */

			smp_call_function_single(cpu, sn_hwperf_call_sal,

			smp_call_function_single(cpu, sn_hwperf_call_sal,