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path: root/drivers/firmware/arm_scmi/bus.c
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Diffstat (limited to 'drivers/firmware/arm_scmi/bus.c')
-rw-r--r--drivers/firmware/arm_scmi/bus.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c
index dc113ad37ad9..6c7e24935eca 100644
--- a/drivers/firmware/arm_scmi/bus.c
+++ b/drivers/firmware/arm_scmi/bus.c
@@ -134,6 +134,9 @@ int scmi_driver_register(struct scmi_driver *driver, struct module *owner,
{
int retval;
+ if (!driver->probe)
+ return -EINVAL;
+
retval = scmi_protocol_device_request(driver->id_table);
if (retval)
return retval;