Commit 9447057eaff8 ("platform_device: use a macro instead of
platform_driver_register") introduced a codepath which could result into
drivers having no owner. This went unnoticed for months, so add a
warning in case this happens again somewhere else somewhen.
Signed-off-by: Wolfram Sang <w...@the-dreams.de>
---
drivers/base/driver.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 9e29943e56ca..6b10ff3bb410 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -151,6 +151,9 @@ int driver_register(struct device_driver *drv)
BUG_ON(!drv->bus->p);
+ if (!drv->owner)
+ printk(KERN_WARNING "Driver '%s' needs an owner", drv->name);
+
if ((drv->bus->probe && drv->probe) ||
(drv->bus->remove && drv->remove) ||
(drv->bus->shutdown && drv->shutdown))
--
2.0.0
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