If a wrong compatible flag in specified, the of_match_device
returning null.
Implemented check and if NULL then returning -ENODEV.
Signed-off-by: Sean Nyekjaer <sean.nyekjaer@xxxxxxxxx>
---
drivers/tty/serial/sc16is7xx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/tty/serial/sc16is7xx.c b/drivers/tty/serial/sc16is7xx.c
index 72ffd0d..2fce9fb 100644
--- a/drivers/tty/serial/sc16is7xx.c
+++ b/drivers/tty/serial/sc16is7xx.c
@@ -1320,6 +1320,8 @@ static int sc16is7xx_spi_probe(struct spi_device *spi)
if (spi->dev.of_node) {
const struct of_device_id *of_id =
of_match_device(sc16is7xx_dt_ids, &spi->dev);
+ if (!of_id)
+ return -ENODEV;
devtype = (struct sc16is7xx_devtype *)of_id->data;
} else {
--
2.5.0
--
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