diff options
| -rw-r--r-- | drivers/spi/spi-dw-bt1.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/spi/spi-dw-bt1.c b/drivers/spi/spi-dw-bt1.c index 5391bcac305c..4577e8096cd9 100644 --- a/drivers/spi/spi-dw-bt1.c +++ b/drivers/spi/spi-dw-bt1.c @@ -55,13 +55,15 @@ static int dw_spi_bt1_dirmap_create(struct spi_mem_dirmap_desc *desc) !dwsbt1->dws.mem_ops.supports_op(desc->mem, &desc->info.op_tmpl)) return -EOPNOTSUPP; + if (desc->info.op_tmpl.data.dir != SPI_MEM_DATA_IN) + return -EOPNOTSUPP; + /* * Make sure the requested region doesn't go out of the physically - * mapped flash memory bounds and the operation is read-only. + * mapped flash memory bounds. */ - if (desc->info.offset + desc->info.length > dwsbt1->map_len || - desc->info.op_tmpl.data.dir != SPI_MEM_DATA_IN) - return -EOPNOTSUPP; + if (desc->info.offset + desc->info.length > dwsbt1->map_len) + return -EINVAL; return 0; } |