X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=drivers%2Fchar%2Frandom.c;h=1610aa64c7cf71f26f0eda5f508720b00eec92c4;hb=eef1de76da54a2ab6c6659c9a3722fd54a0e3459;hp=7ce1ac4baa6d81feccad163cb9c476edfb7278c9;hpb=cc513ac0f29473de365664c4fba9cf033c1f2324;p=deliverable%2Flinux.git

diff --git a/drivers/char/random.c b/drivers/char/random.c
index 7ce1ac4baa6d..1610aa64c7cf 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -559,7 +559,13 @@ struct timer_rand_state {
 };
 
 static struct timer_rand_state input_timer_state;
+
+#ifdef CONFIG_HAVE_DYN_ARRAY
+static struct timer_rand_state **irq_timer_state;
+DEFINE_DYN_ARRAY(irq_timer_state, sizeof(struct timer_rand_state *), nr_irqs, PAGE_SIZE, NULL);
+#else
 static struct timer_rand_state *irq_timer_state[NR_IRQS];
+#endif
 
 /*
  * This function adds entropy to the entropy "pool" by using timing
@@ -648,7 +654,7 @@ EXPORT_SYMBOL_GPL(add_input_randomness);
 
 void add_interrupt_randomness(int irq)
 {
-	if (irq >= NR_IRQS || irq_timer_state[irq] == NULL)
+	if (irq >= nr_irqs || irq_timer_state[irq] == NULL)
 		return;
 
 	DEBUG_ENT("irq event %d\n", irq);
@@ -661,10 +667,10 @@ void add_disk_randomness(struct gendisk *disk)
 	if (!disk || !disk->random)
 		return;
 	/* first major is 1, so we get >= 0x200 here */
-	DEBUG_ENT("disk event %d:%d\n", disk->major, disk->first_minor);
+	DEBUG_ENT("disk event %d:%d\n",
+		  MAJOR(disk_devt(disk)), MINOR(disk_devt(disk)));
 
-	add_timer_randomness(disk->random,
-			     0x100 + MKDEV(disk->major, disk->first_minor));
+	add_timer_randomness(disk->random, 0x100 + disk_devt(disk));
 }
 #endif
 
@@ -912,7 +918,7 @@ void rand_initialize_irq(int irq)
 {
 	struct timer_rand_state *state;
 
-	if (irq >= NR_IRQS || irq_timer_state[irq])
+	if (irq >= nr_irqs || irq_timer_state[irq])
 		return;
 
 	/*