From: Benjamin Herrenschmidt <[email protected]> commit 78c5c68a4cf4329d17abfa469345ddf323d4fd62 upstream.
The code for "powersurge" SMP would kick in and cause a crash at boot due to the lack of a NULL test. BugLink: http://bugs.launchpad.net/bugs/959959 Signed-off-by: Benjamin Herrenschmidt <[email protected]> Signed-off-by: Jeremy Kerr <[email protected]> --- arch/powerpc/platforms/powermac/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/powerpc/platforms/powermac/smp.c b/arch/powerpc/platforms/powermac/smp.c index 9b6a820..3394254 100644 --- a/arch/powerpc/platforms/powermac/smp.c +++ b/arch/powerpc/platforms/powermac/smp.c @@ -414,7 +414,7 @@ static struct irqaction psurge_irqaction = { static void __init smp_psurge_setup_cpu(int cpu_nr) { - if (cpu_nr != 0) + if (cpu_nr != 0 || !psurge_start) return; /* reset the entry point so if we get another intr we won't -- To unsubscribe from this list: send the line "unsubscribe stable" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
