diff options
| author | Jack Wang <[email protected]> | 2022-08-19 08:07:46 +0200 |
|---|---|---|
| committer | Miquel Raynal <[email protected]> | 2022-09-21 10:38:46 +0200 |
| commit | 43b81c2a3e6e07915151045aa13a6e8a9bd64419 (patch) | |
| tree | 90b9d66ef1a2e01e402ed10d7cb2a979b4cbbede | |
| parent | ddfa68d415c749390e6a89f760b5edfa2774ad7b (diff) | |
mtd: rawnand: stm32_fmc2: Fix dma_map_sg error check
dma_map_sg return 0 on error, in case of error return -EIO.
Cc: Miquel Raynal <[email protected]>
Cc: Richard Weinberger <[email protected]>
Cc: Vignesh Raghavendra <[email protected]>
Cc: Maxime Coquelin <[email protected]>
Cc: Alexandre Torgue <[email protected]>
Cc: Philipp Zabel <[email protected]>
Cc: Christophe Kerello <[email protected]>
Cc: Cai Huoqing <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Jack Wang <[email protected]>
Reviewed-by: Christophe Kerello <[email protected]>
Signed-off-by: Miquel Raynal <[email protected]>
Link: https://lore.kernel.org/linux-mtd/[email protected]
| -rw-r--r-- | drivers/mtd/nand/raw/stm32_fmc2_nand.c | 8 |
1 files 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, |