Commit e9a5f426 authored May 27, 2010 by Rafael J. Wysocki Committed by Linus Torvalds May 30, 2010

CPU: Avoid using unititialized error variable in disable_nonboot_cpus()



If there's only one CPU online when disable_nonboot_cpus() is called,
the error variable will not be initialized and that may lead to
erroneous behavior.  Fix this issue by initializing error in
disable_nonboot_cpus() as appropriate.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 97ef6f74

kernel/cpu.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -394,7 +394,7 @@ static cpumask_var_t frozen_cpus;

		int disable_nonboot_cpus(void)
		{
		int cpu, first_cpu, error;
		int cpu, first_cpu, error = 0;

		cpu_maps_update_begin();
		first_cpu = cpumask_first(cpu_online_mask);

Admin message