diff options
| author | Shawn Lin <shawn.lin@rock-chips.com> | 2016-08-22 16:21:52 +0800 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2016-08-22 11:22:44 +0200 |
| commit | 4396f46c8c628329bd35ee4b84140b8b001a11eb (patch) | |
| tree | ce93b8f4ded9dbc28fdea3d41ace33805dcb5618 | |
| parent | d16c995fe43021c765186bf8b9f7e1cc4b043232 (diff) | |
| download | linux-4396f46c8c628329bd35ee4b84140b8b001a11eb.tar.gz linux-4396f46c8c628329bd35ee4b84140b8b001a11eb.tar.bz2 linux-4396f46c8c628329bd35ee4b84140b8b001a11eb.zip | |
genirq: Fix potential memleak when failing to get irq pm
Obviously we should free action here if irq_chip_pm_get failed.
Fixes: be45beb2df69: "genirq: Add runtime power management support for IRQ chips"
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
Cc: Jon Hunter <jonathanh@nvidia.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Link: http://lkml.kernel.org/r/1471854112-13006-1-git-send-email-shawn.lin@rock-chips.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | kernel/irq/manage.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index 73a2b786b5e9..9530fcd27704 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1681,8 +1681,10 @@ int request_threaded_irq(unsigned int irq, irq_handler_t handler, action->dev_id = dev_id; retval = irq_chip_pm_get(&desc->irq_data); - if (retval < 0) + if (retval < 0) { + kfree(action); return retval; + } chip_bus_lock(desc); retval = __setup_irq(irq, desc, action); @@ -1985,8 +1987,10 @@ int request_percpu_irq(unsigned int irq, irq_handler_t handler, action->percpu_dev_id = dev_id; retval = irq_chip_pm_get(&desc->irq_data); - if (retval < 0) + if (retval < 0) { + kfree(action); return retval; + } chip_bus_lock(desc); retval = __setup_irq(irq, desc, action); |