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bcm63xx: periph_intc: fix warning 

drivers/irqchip/irq-bcm6345-periph.c: In function 'bcm6345_periph_irq_handle':
drivers/irqchip/irq-bcm6345-periph.c:55:21: warning: 'block' may be used uninitialized in this function [-Wmaybe-uninitialized]
  struct intc_block *block;
                     ^~~~~

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
master
Álvaro Fernández Rojas 2020-05-14 16:23:21 +02:00
parent f314cbe54b
commit f2f2cf07a6
1 changed files with 20 additions and 0 deletions
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20
target/linux/bcm63xx/patches-5.4/324-irqchip-bcm6345-periph-fix-block-uninitialized.patch Normal file
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@ -0,0 +1,20 @@
--- a/drivers/irqchip/irq-bcm6345-periph.c
+++ b/drivers/irqchip/irq-bcm6345-periph.c
@@ -52,7 +52,7 @@ static void bcm6345_periph_irq_handle(st
{
struct intc_data *data = irq_desc_get_handler_data(desc);
struct irq_chip *chip = irq_desc_get_chip(desc);
- struct intc_block *block;
+ struct intc_block *block = NULL;
unsigned int irq = irq_desc_get_irq(desc);
unsigned int idx;
@@ -62,7 +62,7 @@ static void bcm6345_periph_irq_handle(st
if (irq == data->block[idx].parent_irq)
block = &data->block[idx];
- for (idx = 0; idx < data->num_words; idx++) {
+ for (idx = 0; block && idx < data->num_words; idx++) {
int base = idx * IRQS_PER_WORD;
unsigned long pending;
int hw_irq;