The driver allocates the spinlock but not initialize it. Use spin_lock_init() on it to initialize it correctly.
This is detected by Coccinelle semantic patch. Signed-off-by: Wei Yongjun <[email protected]> --- drivers/rtc/rtc-at91sam9.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c index 99732e6..7418a76 100644 --- a/drivers/rtc/rtc-at91sam9.c +++ b/drivers/rtc/rtc-at91sam9.c @@ -375,6 +375,7 @@ static int at91_rtc_probe(struct platform_device *pdev) if (!rtc) return -ENOMEM; + spin_lock_init(&rtc->lock); rtc->irq = irq; /* platform setup code should have handled this; sigh */
