1 files changed, 4 insertions, 3 deletions

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 3601f3fbf67c..9310a8d365b0 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -350,7 +350,8 @@ unsigned int irq_create_direct_mapping(struct irq_domain *domain)
 unsigned int irq_create_mapping(struct irq_domain *domain,
                                 irq_hw_number_t hwirq)
 {
-        unsigned int virq, hint;
+        unsigned int hint;
+        int virq;
 
         pr_debug("irq: irq_create_mapping(0x%p, 0x%lx)\n", domain, hwirq);
 
@@ -381,9 +382,9 @@ unsigned int irq_create_mapping(struct irq_domain *domain,
         if (hint == 0)
                 hint++;
         virq = irq_alloc_desc_from(hint, 0);
-        if (!virq)
+        if (virq <= 0)
                 virq = irq_alloc_desc_from(1, 0);
-        if (!virq) {
+        if (virq <= 0) {
                 pr_debug("irq: -> virq allocation failed\n");
                 return 0;
         }