If cdev_add() fails, cdev_del() should be called.
Add the missing cdev_del() call as pointed out by
Dan Carpenter.
Signed-off-by: Michael Straube <straube.linux@xxxxxxxxx>
---
v1 -> v2
Use goto and label.
drivers/staging/pi433/pi433_if.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/staging/pi433/pi433_if.c b/drivers/staging/pi433/pi433_if.c
index d72de2105053..b2314636dc89 100644
--- a/drivers/staging/pi433/pi433_if.c
+++ b/drivers/staging/pi433/pi433_if.c
@@ -1254,7 +1254,7 @@ static int pi433_probe(struct spi_device *spi)
retval = cdev_add(device->cdev, device->devt, 1);
if (retval) {
dev_dbg(device->dev, "register of cdev failed");
- goto cdev_failed;
+ goto del_cdev;
}
/* spi setup */
@@ -1262,6 +1262,8 @@ static int pi433_probe(struct spi_device *spi)
return 0;
+del_cdev:
+ cdev_del(device->cdev);
cdev_failed:
kthread_stop(device->tx_task_struct);
send_thread_failed:
--
2.19.2
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