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spi: spi-mem: Compute length only when needed

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When adjust_op_size is defined, len is never used. Move the len
computation where it's actually used.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
Link: https://lore.kernel.org/r/20200228160735.1565047-1-tudor.ambarus@microchip.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Tudor Ambarus 2020-02-28 16:07:44 +00:00 committed by Mark Brown
parent 3d24b2a470
commit c0e035ac56
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GPG Key ID: 24D68B725D5487D0
1 changed files with 3 additions and 2 deletions
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drivers/spi/spi-mem.c
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@ -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;