From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: From: Lars-Peter Clausen To: Jonathan Cameron Cc: linux-iio@vger.kernel.org, Lars-Peter Clausen Subject: [PATCH 15/18] staging:iio:dac:ad5504: Check if IRQ was requested before freeing it Date: Mon, 21 May 2012 13:43:04 +0200 Message-Id: <1337600587-19848-15-git-send-email-lars@metafoo.de> In-Reply-To: <1337600587-19848-1-git-send-email-lars@metafoo.de> References: <1337600587-19848-1-git-send-email-lars@metafoo.de> List-ID: IRQ support is optional, so we have to check whether it was actually requested before we attempt to free it. Signed-off-by: Lars-Peter Clausen Acked-by: Jonathan Cameron --- drivers/staging/iio/dac/ad5504.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/iio/dac/ad5504.c b/drivers/staging/iio/dac/ad5504.c index 6ccf178..cd754d2 100644 --- a/drivers/staging/iio/dac/ad5504.c +++ b/drivers/staging/iio/dac/ad5504.c @@ -294,7 +294,8 @@ static int __devinit ad5504_probe(struct spi_device *spi) return 0; error_free_irq: - free_irq(spi->irq, indio_dev); + if (spi->irq) + free_irq(spi->irq, indio_dev); error_disable_reg: if (!IS_ERR(reg)) regulator_disable(reg); -- 1.7.10