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| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2024-09-13 23:07:14 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-09-18 15:10:33 +0200 |
| commit | 0e58637eb968c636725dcd6c7055249b4e5326fb (patch) | |
| tree | b6e958b3cdf0747f344c0a5ba2ff37f759cc6337 /drivers/spi | |
| parent | spi: airoha: fix dirmap_{read,write} operations (diff) | |
| download | linux-0e58637eb968c636725dcd6c7055249b4e5326fb.tar.xz linux-0e58637eb968c636725dcd6c7055249b4e5326fb.zip | |
spi: airoha: fix airoha_snand_{write,read}_data data_len estimation
Fix data length written and read in airoha_snand_write_data and
airoha_snand_read_data routines respectively if it is bigger than
SPI_MAX_TRANSFER_SIZE.
Fixes: a403997c1201 ("spi: airoha: add SPI-NAND Flash controller driver")
Tested-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20240913-airoha-spi-fixes-v1-2-de2e74ed4664@kernel.org
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
| -rw-r--r-- | drivers/spi/spi-airoha-snfi.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/spi/spi-airoha-snfi.c b/drivers/spi/spi-airoha-snfi.c index be3e4ac42153..c71be702cf6f 100644 --- a/drivers/spi/spi-airoha-snfi.c +++ b/drivers/spi/spi-airoha-snfi.c @@ -405,7 +405,7 @@ static int airoha_snand_write_data(struct airoha_snand_ctrl *as_ctrl, u8 cmd, for (i = 0; i < len; i += data_len) { int err; - data_len = min(len, SPI_MAX_TRANSFER_SIZE); + data_len = min(len - i, SPI_MAX_TRANSFER_SIZE); err = airoha_snand_set_fifo_op(as_ctrl, cmd, data_len); if (err) return err; @@ -427,7 +427,7 @@ static int airoha_snand_read_data(struct airoha_snand_ctrl *as_ctrl, u8 *data, for (i = 0; i < len; i += data_len) { int err; - data_len = min(len, SPI_MAX_TRANSFER_SIZE); + data_len = min(len - i, SPI_MAX_TRANSFER_SIZE); err = airoha_snand_set_fifo_op(as_ctrl, 0xc, data_len); if (err) return err; |