From: Michael Straube Date: Mon, 26 Nov 2018 18:18:20 +0000 (+0100) Subject: staging: pi433: add missing call to cdev_del() X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=e086f61479d1ae4dd78fd882228311ce31e73e91;p=openwrt%2Fstaging%2Fblogic.git staging: pi433: add missing call to cdev_del() 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 Signed-off-by: Greg Kroah-Hartman --- 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: