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| author | Heiner Kallweit <hkallweit1@gmail.com> | 2017-06-11 00:38:36 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-06-13 00:40:39 +0200 |
| commit | fa07ab72cbb0d843429e61bf179308aed6cbe0dd (patch) | |
| tree | ca881ac0cc49892afb7e191cfc9171b2806bed27 | |
| parent | 32c1431eea4881a6b17bd7c639315010aeefa452 (diff) | |
| download | linux-fa07ab72cbb0d843429e61bf179308aed6cbe0dd.tar.bz2 | |
genirq: Release resources in __setup_irq() error path
In case __irq_set_trigger() fails the resources requested via
irq_request_resources() are not released.
Add the missing release call into the error handling path.
Fixes: c1bacbae8192 ("genirq: Provide irq_request/release_resources chip callbacks")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/655538f5-cb20-a892-ff15-fbd2dd1fa4ec@gmail.com
| -rw-r--r-- | kernel/irq/manage.c | 4 |
1 files changed, 3 insertions, 1 deletions
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 | \ |