[GIT pull] irq fix for 4.12

[Thomas Gleixner]

Linus,

please pull the latest irq-urgent-for-linus git tree from:

   git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 
irq-urgent-for-linus

A fix, which adds a missing resource release to an error path.

Thanks,

        tglx

------------------>
Heiner Kallweit (1):
      genirq: Release resources in __setup_irq() error path


 kernel/irq/manage.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 070be980c37a..425170d4439b 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1312,8 +1312,10 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, 
struct irqaction *new)
                        ret = __irq_set_trigger(desc,
                                                new->flags & IRQF_TRIGGER_MASK);
 
-                       if (ret)
+                       if (ret) {
+                               irq_release_resources(desc);
                                goto out_mask;
+                       }
                }
 
                desc->istate &= ~(IRQS_AUTODETECT | IRQS_SPURIOUS_DISABLED | \