diff options
author | Dan Carpenter <dan.carpenter@oracle.com> | 2016-10-13 11:30:39 +0300 |
---|---|---|
committer | Cyrille Pitchen <cyrille.pitchen@atmel.com> | 2016-11-26 16:50:13 +0100 |
commit | 10ad1d754a434c024ce7eeb1cec9f69fd3ecc863 (patch) | |
tree | ae6dabf42c7dd13a1255ea5893a7f9c1dff62be2 | |
parent | 193e87143c290ec16838f5368adc0e0bc94eb931 (diff) | |
download | linux-10ad1d754a434c024ce7eeb1cec9f69fd3ecc863.tar.bz2 |
mtd: spi-nor: Fix some error codes in cqspi_setup_flash()
We return success or possibly uninitialized values on these error paths
instead of proper error codes.
Fixes: 140623410536 ("mtd: spi-nor: Add driver for Cadence Quad SPI Flash Controller")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reviewed-by: Moritz Fischer <moritz.fischer@ettus.com>
Signed-off-by: Cyrille Pitchen <cyrille.pitchen@atmel.com>
-rw-r--r-- | drivers/mtd/spi-nor/cadence-quadspi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/mtd/spi-nor/cadence-quadspi.c b/drivers/mtd/spi-nor/cadence-quadspi.c index 944863be0320..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) { + ret = -EINVAL; dev_err(dev, "Chip select %d out of range.\n", cs); goto err; } |