Commit 92743071 authored by Uwe Kleine-König's avatar Uwe Kleine-König Committed by Sudeep Holla
Browse files

firmware: arm_ffa: Ensure drivers provide a probe function

The bus probe callback calls the driver callback without further
checking. Better be safe than sorry and refuse registration of a driver
without a probe function to prevent a NULL pointer exception.

Fixes: e7818584

 ("firmware: arm_ffa: Add initial FFA bus support for device enumeration")
Signed-off-by: default avatarUwe Kleine-König <>
Signed-off-by: default avatarSudeep Holla <>
parent e73f0f0e
......@@ -99,6 +99,9 @@ int ffa_driver_register(struct ffa_driver *driver, struct module *owner,
int ret;
if (!driver->probe)
return -EINVAL;
driver->driver.bus = &ffa_bus_type;
driver-> = driver->name;
driver->driver.owner = owner;
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment