diff options
Diffstat (limited to 'drivers/firmware')
| -rw-r--r-- | drivers/firmware/arm_ffa/bus.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/firmware/arm_ffa/bus.c b/drivers/firmware/arm_ffa/bus.c index 83166e02b191..d2cc24319626 100644 --- a/drivers/firmware/arm_ffa/bus.c +++ b/drivers/firmware/arm_ffa/bus.c @@ -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->name; driver->driver.owner = owner; |