From: Marc Kleine-Budde <[email protected]>

This patch has been added to the 3.12 stable tree. If you have any
objections, please let us know.

===============

commit 7e9e148af01ef388efb6e2490805970be4622792 upstream.

If flexcan_chip_start() in flexcan_open() fails, the interrupt is not freed,
this patch adds the missing cleanup.

Signed-off-by: Marc Kleine-Budde <[email protected]>
Signed-off-by: Jiri Slaby <[email protected]>
---
 drivers/net/can/flexcan.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 26c8b2d80f7b..ba7a55449e55 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -865,7 +865,7 @@ static int flexcan_open(struct net_device *dev)
        /* start chip and queuing */
        err = flexcan_chip_start(dev);
        if (err)
-               goto out_close;
+               goto out_free_irq;
 
        can_led_event(dev, CAN_LED_EVENT_OPEN);
 
@@ -874,6 +874,8 @@ static int flexcan_open(struct net_device *dev)
 
        return 0;
 
+ out_free_irq:
+       free_irq(dev->irq, dev);
  out_close:
        close_candev(dev);
  out_disable_per:
-- 
1.9.0

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