From a4941191235e0fee2dd8bad3b7c61478f229c962 Mon Sep 17 00:00:00 2001 From: Russell King Date: Wed, 31 Aug 2016 11:17:50 +0100 Subject: [PATCH] pcmcia: soc_common: ignore invalid interrupts If gpiod_to_irq() returns an invalid interrupt, we should not try to use it as an interrupt number. Signed-off-by: Russell King --- drivers/pcmcia/soc_common.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c index e07d84a69fcc..e499c2b8d7df 100644 --- a/drivers/pcmcia/soc_common.c +++ b/drivers/pcmcia/soc_common.c @@ -179,10 +179,12 @@ static int soc_pcmcia_hw_init(struct soc_pcmcia_socket *skt) if (skt->stat[i].desc) { int irq = gpiod_to_irq(skt->stat[i].desc); - if (i == SOC_STAT_RDY) - skt->socket.pci_irq = irq; - else - skt->stat[i].irq = irq; + if (irq > 0) { + if (i == SOC_STAT_RDY) + skt->socket.pci_irq = irq; + else + skt->stat[i].irq = irq; + } } if (skt->stat[i].irq) { -- 2.20.1