From: Jack Wang <jinpu.wang@ionos.com>
To: miquel.raynal@bootlin.com, linux-mtd@lists.infradead.org
Cc: Richard Weinberger <richard@nod.at>,
Vignesh Raghavendra <vigneshr@ti.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@foss.st.com>,
Philipp Zabel <p.zabel@pengutronix.de>,
Christophe Kerello <christophe.kerello@foss.st.com>,
Cai Huoqing <cai.huoqing@linux.dev>,
linux-stm32@st-md-mailman.stormreply.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] mtd: rawnand: stm32_fmc2: Fix dma_map_sg error check
Date: Thu, 25 Aug 2022 09:53:37 +0200 [thread overview]
Message-ID: <20220825075338.35338-2-jinpu.wang@ionos.com> (raw)
In-Reply-To: <20220825075338.35338-1-jinpu.wang@ionos.com>
dma_map_sg return 0 on error, in case of error return -EIO.
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Christophe Kerello <christophe.kerello@foss.st.com>
Cc: Cai Huoqing <cai.huoqing@linux.dev>
Cc: linux-mtd@lists.infradead.org
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Fixes: 2cd457f328c1 ("mtd: rawnand: stm32_fmc2: add STM32 FMC2 NAND flash controller driver")
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
---
drivers/mtd/nand/raw/stm32_fmc2_nand.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/mtd/nand/raw/stm32_fmc2_nand.c b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
index 87c1c7dd97eb..a0c825af19fa 100644
--- a/drivers/mtd/nand/raw/stm32_fmc2_nand.c
+++ b/drivers/mtd/nand/raw/stm32_fmc2_nand.c
@@ -862,8 +862,8 @@ static int stm32_fmc2_nfc_xfer(struct nand_chip *chip, const u8 *buf,
ret = dma_map_sg(nfc->dev, nfc->dma_data_sg.sgl,
eccsteps, dma_data_dir);
- if (ret < 0)
- return ret;
+ if (!ret)
+ return -EIO;
desc_data = dmaengine_prep_slave_sg(dma_ch, nfc->dma_data_sg.sgl,
eccsteps, dma_transfer_dir,
@@ -893,8 +893,10 @@ static int stm32_fmc2_nfc_xfer(struct nand_chip *chip, const u8 *buf,
ret = dma_map_sg(nfc->dev, nfc->dma_ecc_sg.sgl,
eccsteps, dma_data_dir);
- if (ret < 0)
+ if (!ret) {
+ ret = -EIO;
goto err_unmap_data;
+ }
desc_ecc = dmaengine_prep_slave_sg(nfc->dma_ecc_ch,
nfc->dma_ecc_sg.sgl,
--
2.34.1
next parent reply other threads:[~2022-08-25 7:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220825075338.35338-1-jinpu.wang@ionos.com>
2022-08-25 7:53 ` Jack Wang [this message]
2022-09-19 16:00 ` [PATCH 1/2] mtd: rawnand: stm32_fmc2: Fix dma_map_sg error check Miquel Raynal
2022-08-25 7:53 ` [PATCH 2/2] mtd: rawnand: marvell: Fix error handle regarding dma_map_sg Jack Wang
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