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authorDan Carpenter <dan.carpenter@oracle.com>2016-10-13 11:30:39 +0300
committerCyrille Pitchen <cyrille.pitchen@atmel.com>2016-11-26 16:50:13 +0100
commit10ad1d754a434c024ce7eeb1cec9f69fd3ecc863 (patch)
treeae6dabf42c7dd13a1255ea5893a7f9c1dff62be2
parent193e87143c290ec16838f5368adc0e0bc94eb931 (diff)
downloadlinux-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.c4
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;
}