In error case platform_device_register_data would return an ERR_PTR instead of NULL. So we better check this before unregistration. Fixes: 37b7b3087a2f ("staging/vc04_services: Register a platform device for the camera driver.") Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx> --- drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c index ea78937..d7d7c2f0 100644 --- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c +++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c @@ -3672,7 +3672,8 @@ static int vchiq_probe(struct platform_device *pdev) static int vchiq_remove(struct platform_device *pdev) { - platform_device_unregister(bcm2835_camera); + if (!IS_ERR(bcm2835_camera)) + platform_device_unregister(bcm2835_camera); vchiq_debugfs_deinit(); device_destroy(vchiq_class, vchiq_devid); class_destroy(vchiq_class); -- 2.7.4 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel