[patch][2.5] speedstep_detect_speed might not reenable interrupts

[Samuel Thibault]

hi,

local_irq_save() is called at the beginning of speedstep_detect_speeds,
but local_irq_restore() is not called on I/O errors.

--- linux-2.5.70-bk12/arch/i386/kernel/cpu/cpufreq/speedstep.c	2003-05-26 21:00:20.000000000 -0400
+++ linux-2.5.70-bk12-perso/arch/i386/kernel/cpu/cpufreq/speedstep.c	2003-06-14 02:23:34.000000000 -0400
@@ -538,8 +538,10 @@
 	for (i=0; i<2; i++) {
 		/* read the current state */
 		result = speedstep_get_state(&state);
-		if (result)
+		if (result) {
+			local_irq_restore(flags);
 			return result;
+		}
 
 		/* save the correct value, and switch to other */
 		if (state == SPEEDSTEP_LOW) {