In vimc_init(), when platform_driver_register(&vimc_pdrv) fails, platform_driver_unregister(&vimc_pdrv) is wrongly called rather than platform_device_unregister(&vimc_pdev), which causes kernel warning: Unexpected driver unregister! WARNING: CPU: 1 PID: 14517 at drivers/base/driver.c:270 driver_unregister+0x8f/0xb0 RIP: 0010:driver_unregister+0x8f/0xb0 Call Trace: <TASK> vimc_init+0x7d/0x1000 [vimc] do_one_initcall+0xd0/0x4e0 do_init_module+0x1cf/0x6b0 load_module+0x65c2/0x7820 Fixes: 4a29b7090749 ("[media] vimc: Subdevices as modules") Signed-off-by: Chen Zhongjin <chenzhongjin@xxxxxxxxxx> --- drivers/media/test-drivers/vimc/vimc-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/test-drivers/vimc/vimc-core.c b/drivers/media/test-drivers/vimc/vimc-core.c index 2ae7a0f11ebf..e82cfa5ffbf4 100644 --- a/drivers/media/test-drivers/vimc/vimc-core.c +++ b/drivers/media/test-drivers/vimc/vimc-core.c @@ -433,7 +433,7 @@ static int __init vimc_init(void) if (ret) { dev_err(&vimc_pdev.dev, "platform driver registration failed (err=%d)\n", ret); - platform_driver_unregister(&vimc_pdrv); + platform_device_unregister(&vimc_pdev); return ret; } -- 2.17.1