diff options
Diffstat (limited to 'drivers/mtd/spi-nor/cadence-quadspi.c')
| -rw-r--r-- | drivers/mtd/spi-nor/cadence-quadspi.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c index d403ba7b8f43..d489fbd07c12 100644 --- a/drivers/mtd/spi-nor/cadence-quadspi.c +++ b/drivers/mtd/spi-nor/cadence-quadspi.c @@ -1077,12 +1077,14 @@ static int cqspi_setup_flash(struct cqspi_st *cqspi, struct device_node *np) /* Get flash device data */ for_each_available_child_of_node(dev->of_node, np) { - if (of_property_read_u32(np, "reg", &cs)) { + ret = of_property_read_u32(np, "reg", &cs); + if (ret) { dev_err(dev, "Couldn't determine chip select.\n"); goto err; } - if (cs > CQSPI_MAX_CHIPSELECT) { + if (cs >= CQSPI_MAX_CHIPSELECT) { + ret = -EINVAL; dev_err(dev, "Chip select %d out of range.\n", cs); goto err; } |