powerpc/perf: Change the data type for the variable 'ncpu' in IMC code

Change the data type for the variable 'ncpu' in ppc_core_imc_cpu_offline(),
since cpumask_any_but() returns an 'int' value.

Signed-off-by: Anju T Sudhakar <[e-mail]>
Reported-by: David Binderman <[e-mail]>
Signed-off-by: Michael Ellerman <[e-mail]>

arch/powerpc/perf/imc-pmu.c

···
 
 static int ppc_core_imc_cpu_offline(unsigned int cpu)
 {
-	unsigned int ncpu, core_id;
+	unsigned int core_id;
+	int ncpu;
 	struct imc_pmu_ref *ref;
 
 	/*