[PATCH] cpufreq: SMP fix for conservative governor

Don't try to access not-present CPUs. Conservative governor will always
oops on SMP without this fix.

Fixes http://bugzilla.kernel.org/show_bug.cgi?id=4781

Signed-off-by: Venkatesh Pallipadi <[e-mail]>
Signed-off-by: Dave Jones <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/cpufreq/cpufreq_conservative.c

···
 	policy = this_dbs_info->cur_policy;
 
 	if ( init_flag == 0 ) {
-		for ( /* NULL */; init_flag < NR_CPUS; init_flag++ ) {
-			dbs_info = &per_cpu(cpu_dbs_info, init_flag);
-			requested_freq[cpu] = dbs_info->cur_policy->cur;
+		for_each_online_cpu(j) {
+			dbs_info = &per_cpu(cpu_dbs_info, j);
+			requested_freq[j] = dbs_info->cur_policy->cur;
 		}
 		init_flag = 1;
 	}