cpumask: don't perform while loop in cpumask_next_and()

[cascardo/linux.git] / lib / cpumask.c

diff --git a/lib/cpumask.c b/lib/cpumask.c
index b6513a9..5ab1553 100644 (file)
--- a/lib/cpumask.c
+++ b/lib/cpumask.c
@@ -37,10 +37,11 @@ EXPORT_SYMBOL(__next_cpu_nr);
 int cpumask_next_and(int n, const struct cpumask *src1p,
                     const struct cpumask *src2p)
 {
-       while ((n = cpumask_next(n, src1p)) < nr_cpu_ids)
-               if (cpumask_test_cpu(n, src2p))
-                       break;
-       return n;
+       struct cpumask tmp;
+
+       if (cpumask_and(&tmp, src1p, src2p))
+               return cpumask_next(n, &tmp);
+       return nr_cpu_ids;
 }
 EXPORT_SYMBOL(cpumask_next_and);