diff options
Diffstat (limited to 'drivers/spi/spi-mem.c')
| -rw-r--r-- | drivers/spi/spi-mem.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index e5a46f0eb93b..adaa0c49f966 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -418,12 +418,13 @@ int spi_mem_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op) struct spi_controller *ctlr = mem->spi->controller; size_t len; - len = sizeof(op->cmd.opcode) + op->addr.nbytes + op->dummy.nbytes; - if (ctlr->mem_ops && ctlr->mem_ops->adjust_op_size) return ctlr->mem_ops->adjust_op_size(mem, op); if (!ctlr->mem_ops || !ctlr->mem_ops->exec_op) { + len = sizeof(op->cmd.opcode) + op->addr.nbytes + + op->dummy.nbytes; + if (len > spi_max_transfer_size(mem->spi)) return -EINVAL; @@ -487,7 +488,7 @@ static ssize_t spi_mem_no_dirmap_write(struct spi_mem_dirmap_desc *desc, * This function is creating a direct mapping descriptor which can then be used * to access the memory using spi_mem_dirmap_read() or spi_mem_dirmap_write(). * If the SPI controller driver does not support direct mapping, this function - * fallback to an implementation using spi_mem_exec_op(), so that the caller + * falls back to an implementation using spi_mem_exec_op(), so that the caller * doesn't have to bother implementing a fallback on his own. * * Return: a valid pointer in case of success, and ERR_PTR() otherwise. |