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charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: driverdev-devel-bounces@linuxdriverproject.org Sender: "devel" X-getmail-retrieved-from-mailbox: INBOX X-Mailing-List: linux-kernel@vger.kernel.org List-ID: tsl2x7x_event_handler() could return an error and this could cause the interrupt to remain masked. We shouldn't return an error in the interrupt handler so this patch always returns IRQ_HANDLED. An error will be logged if one occurs. Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2x7x.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c index 9cdcc8c9e812..95a00b965c5e 100644 --- a/drivers/staging/iio/light/tsl2x7x.c +++ b/drivers/staging/iio/light/tsl2x7x.c @@ -1320,7 +1320,7 @@ static irqreturn_t tsl2x7x_event_handler(int irq, void *private) ret = tsl2x7x_read_status(chip); if (ret < 0) - return ret; + return IRQ_HANDLED; /* What type of interrupt do we need to process */ if (ret & TSL2X7X_STA_PRX_INTR) { @@ -1341,9 +1341,7 @@ static irqreturn_t tsl2x7x_event_handler(int irq, void *private) timestamp); } - ret = tsl2x7x_clear_interrupts(chip, TSL2X7X_CMD_PROXALS_INT_CLR); - if (ret < 0) - return ret; + tsl2x7x_clear_interrupts(chip, TSL2X7X_CMD_PROXALS_INT_CLR); return IRQ_HANDLED; } -- 2.14.3 _______________________________________________ devel mailing list devel@linuxdriverproject.org http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from onstation.org ([52.200.56.107]:49866 "EHLO onstation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752866AbeDUAmM (ORCPT ); Fri, 20 Apr 2018 20:42:12 -0400 From: Brian Masney To: jic23@kernel.org, linux-iio@vger.kernel.org Cc: gregkh@linuxfoundation.org, devel@driverdev.osuosl.org, knaack.h@gmx.de, lars@metafoo.de, pmeerw@pmeerw.net, linux-kernel@vger.kernel.org, Jon.Brenner@ams.com Subject: [PATCH 03/13] staging: iio: tsl2x7x: don't return error in IRQ handler Date: Fri, 20 Apr 2018 20:41:43 -0400 Message-Id: <20180421004153.19073-4-masneyb@onstation.org> In-Reply-To: <20180421004153.19073-1-masneyb@onstation.org> References: <20180421004153.19073-1-masneyb@onstation.org> Sender: linux-iio-owner@vger.kernel.org List-Id: linux-iio@vger.kernel.org tsl2x7x_event_handler() could return an error and this could cause the interrupt to remain masked. We shouldn't return an error in the interrupt handler so this patch always returns IRQ_HANDLED. An error will be logged if one occurs. Signed-off-by: Brian Masney --- drivers/staging/iio/light/tsl2x7x.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c index 9cdcc8c9e812..95a00b965c5e 100644 --- a/drivers/staging/iio/light/tsl2x7x.c +++ b/drivers/staging/iio/light/tsl2x7x.c @@ -1320,7 +1320,7 @@ static irqreturn_t tsl2x7x_event_handler(int irq, void *private) ret = tsl2x7x_read_status(chip); if (ret < 0) - return ret; + return IRQ_HANDLED; /* What type of interrupt do we need to process */ if (ret & TSL2X7X_STA_PRX_INTR) { @@ -1341,9 +1341,7 @@ static irqreturn_t tsl2x7x_event_handler(int irq, void *private) timestamp); } - ret = tsl2x7x_clear_interrupts(chip, TSL2X7X_CMD_PROXALS_INT_CLR); - if (ret < 0) - return ret; + tsl2x7x_clear_interrupts(chip, TSL2X7X_CMD_PROXALS_INT_CLR); return IRQ_HANDLED; } -- 2.14.3