Re: [patch] mfd: lp8788-irq: uninitialized variable in irq handler

From: Kim, Milo
Date: Sun Mar 13 2016 - 19:10:04 EST

On 3/11/2016 5:11 PM, Dan Carpenter wrote:
Instead to being true/false, the "handled" is true/uninitialized.
Presumably this doesn't cause that many problems in real life because
normally we handle the IRQ.

Fixes: eea6b7cc53aa ('mfd: Add lp8788 mfd driver')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

Acked-by: Milo Kim <>

Thanks for catching this!

diff --git a/drivers/mfd/lp8788-irq.c b/drivers/mfd/lp8788-irq.c
index c7a9825..792d51b 100644
--- a/drivers/mfd/lp8788-irq.c
+++ b/drivers/mfd/lp8788-irq.c
@@ -112,7 +112,7 @@ static irqreturn_t lp8788_irq_handler(int irq, void *ptr)
struct lp8788_irq_data *irqd = ptr;
struct lp8788 *lp = irqd->lp;
u8 status[NUM_REGS], addr, mask;
- bool handled;
+ bool handled = false;
int i;

if (lp8788_read_multi_bytes(lp, LP8788_INT_1, status, NUM_REGS))