From: Varadarajan Narayanan <varada-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
To: broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
mark.rutland-5wv7dgnIgG8@public.gmane.org,
andy.gross-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
david.brown-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org,
linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: Varadarajan Narayanan <varada-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Subject: [PATCH v5 05/14] spi: qup: Fix error handling in spi_qup_prep_sg
Date: Mon, 24 Jul 2017 13:17:16 +0530 [thread overview]
Message-ID: <1500882445-29008-6-git-send-email-varada@codeaurora.org> (raw)
In-Reply-To: <1500882445-29008-1-git-send-email-varada-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
Signed-off-by: Varadarajan Narayanan <varada-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
---
drivers/spi/spi-qup.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/spi-qup.c b/drivers/spi/spi-qup.c
index e6294f8..aa1b7b8 100644
--- a/drivers/spi/spi-qup.c
+++ b/drivers/spi/spi-qup.c
@@ -311,8 +311,8 @@ static int spi_qup_prep_sg(struct spi_master *master, struct spi_transfer *xfer,
}
desc = dmaengine_prep_slave_sg(chan, sgl, nents, dir, flags);
- if (!desc)
- return -EINVAL;
+ if (IS_ERR_OR_NULL(desc))
+ return desc ? PTR_ERR(desc) : -EINVAL;
desc->callback = callback;
desc->callback_param = qup;
--
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next prev parent reply other threads:[~2017-07-24 7:47 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-24 7:47 [PATCH v5 00/14] spi: qup: Fixes and add support for >64k transfers Varadarajan Narayanan
2017-07-24 7:47 ` [PATCH v5 01/14] spi: qup: Enable chip select support Varadarajan Narayanan
2017-07-24 7:47 ` [PATCH v5 04/14] spi: qup: Place the QUP in run mode before DMA Varadarajan Narayanan
2017-08-08 11:18 ` Applied "spi: qup: Place the QUP in run mode before DMA" to the spi tree Mark Brown
2017-07-24 7:47 ` [PATCH v5 06/14] spi: qup: Fix transaction done signaling Varadarajan Narayanan
2017-07-24 7:47 ` [PATCH v5 08/14] spi: qup: refactor spi_qup_io_config into two functions Varadarajan Narayanan
2017-08-08 11:18 ` Applied "spi: qup: refactor spi_qup_io_config into two functions" to the spi tree Mark Brown
[not found] ` <1500882445-29008-1-git-send-email-varada-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2017-07-24 7:47 ` [PATCH v5 02/14] spi: qup: Setup DMA mode correctly Varadarajan Narayanan
2017-07-24 7:47 ` [PATCH v5 03/14] spi: qup: Add completion timeout Varadarajan Narayanan
2017-07-27 8:30 ` kbuild test robot
2017-07-24 7:47 ` Varadarajan Narayanan [this message]
2017-08-08 11:18 ` Applied "spi: qup: Fix error handling in spi_qup_prep_sg" to the spi tree Mark Brown
2017-07-24 7:47 ` [PATCH v5 07/14] spi: qup: Do block sized read/write in block mode Varadarajan Narayanan
2017-08-08 11:18 ` Applied "spi: qup: Do block sized read/write in block mode" to the spi tree Mark Brown
2017-07-24 7:47 ` [PATCH v5 09/14] spi: qup: call io_config in mode specific function Varadarajan Narayanan
2017-07-24 7:47 ` [PATCH v5 10/14] spi: qup: allow block mode to generate multiple transactions Varadarajan Narayanan
2017-08-08 11:18 ` Applied "spi: qup: allow block mode to generate multiple transactions" to the spi tree Mark Brown
2017-07-24 7:47 ` [PATCH v5 11/14] spi: qup: refactor spi_qup_prep_sg Varadarajan Narayanan
2017-08-08 11:18 ` Applied "spi: qup: refactor spi_qup_prep_sg" to the spi tree Mark Brown
2017-07-24 7:47 ` [PATCH v5 12/14] spi: qup: allow multiple DMA transactions per spi xfer Varadarajan Narayanan
2017-07-24 7:47 ` [PATCH v5 13/14] spi: qup: Ensure done detection Varadarajan Narayanan
2017-07-24 7:47 ` [PATCH v5 14/14] spi: qup: Fix QUP version identify method Varadarajan Narayanan
[not found] ` <1500882445-29008-15-git-send-email-varada-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org>
2017-07-25 2:52 ` kbuild test robot
2017-08-08 11:17 ` Applied "spi: qup: Fix QUP version identify method" to the spi tree Mark Brown
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