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Diffstat (limited to 'kernel')
-rw-r--r--kernel/irq/autoprobe.c15
-rw-r--r--kernel/irq/handle.c3
-rw-r--r--kernel/irq/spurious.c5
3 files changed, 0 insertions, 23 deletions
diff --git a/kernel/irq/autoprobe.c b/kernel/irq/autoprobe.c
index 650ce4102a6..cc0f7321b8c 100644
--- a/kernel/irq/autoprobe.c
+++ b/kernel/irq/autoprobe.c
@@ -40,9 +40,6 @@ unsigned long probe_irq_on(void)
* flush such a longstanding irq before considering it as spurious.
*/
for_each_irq_desc_reverse(i, desc) {
- if (!desc)
- continue;
-
spin_lock_irq(&desc->lock);
if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
/*
@@ -71,9 +68,6 @@ unsigned long probe_irq_on(void)
* happened in the previous stage, it may have masked itself)
*/
for_each_irq_desc_reverse(i, desc) {
- if (!desc)
- continue;
-
spin_lock_irq(&desc->lock);
if (!desc->action && !(desc->status & IRQ_NOPROBE)) {
desc->status |= IRQ_AUTODETECT | IRQ_WAITING;
@@ -92,9 +86,6 @@ unsigned long probe_irq_on(void)
* Now filter out any obviously spurious interrupts
*/
for_each_irq_desc(i, desc) {
- if (!desc)
- continue;
-
spin_lock_irq(&desc->lock);
status = desc->status;
@@ -133,9 +124,6 @@ unsigned int probe_irq_mask(unsigned long val)
int i;
for_each_irq_desc(i, desc) {
- if (!desc)
- continue;
-
spin_lock_irq(&desc->lock);
status = desc->status;
@@ -178,9 +166,6 @@ int probe_irq_off(unsigned long val)
unsigned int status;
for_each_irq_desc(i, desc) {
- if (!desc)
- continue;
-
spin_lock_irq(&desc->lock);
status = desc->status;
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index 03479dfdebb..7dbdfe52469 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -437,9 +437,6 @@ void early_init_irq_lock_class(void)
int i;
for_each_irq_desc(i, desc) {
- if (!desc)
- continue;
-
lockdep_set_class(&desc->lock, &irq_desc_lock_class);
}
}
diff --git a/kernel/irq/spurious.c b/kernel/irq/spurious.c
index 3738107531f..dd364c11e56 100644
--- a/kernel/irq/spurious.c
+++ b/kernel/irq/spurious.c
@@ -91,9 +91,6 @@ static int misrouted_irq(int irq)
int i, ok = 0;
for_each_irq_desc(i, desc) {
- if (!desc)
- continue;
-
if (!i)
continue;
@@ -115,8 +112,6 @@ static void poll_spurious_irqs(unsigned long dummy)
for_each_irq_desc(i, desc) {
unsigned int status;
- if (!desc)
- continue;
if (!i)
continue;