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Commit a4941191 authored by Russell King's avatar Russell King
Browse files

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: default avatarRussell King <rmk+kernel@armlinux.org.uk>
parent 45ca7536

drivers/pcmcia/soc_common.c

+6 −4
Original line number Original line Diff line number Diff line
@@ -179,11 +179,13 @@ static int soc_pcmcia_hw_init(struct soc_pcmcia_socket *skt) 
		if (skt->stat[i].desc) {

		if (skt->stat[i].desc) {

			int irq = gpiod_to_irq(skt->stat[i].desc);

			int irq = gpiod_to_irq(skt->stat[i].desc);





			if (irq > 0) {

				if (i == SOC_STAT_RDY)

				if (i == SOC_STAT_RDY)

					skt->socket.pci_irq = irq;

					skt->socket.pci_irq = irq;

				else

				else

					skt->stat[i].irq = irq;

					skt->stat[i].irq = irq;

			}

			}

		}





		if (skt->stat[i].irq) {

		if (skt->stat[i].irq) {

			ret = request_irq(skt->stat[i].irq,

			ret = request_irq(skt->stat[i].irq,