nvmem: layouts: store owner from modules with nvmem_layout_driver_register()
authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tue, 30 Apr 2024 08:49:11 +0000 (09:49 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 3 May 2024 05:26:38 +0000 (07:26 +0200)
commit6d0ca4a2a7e25f9ad07c1f335f20b4d9e048cdd5
treeffd482a9e70542317f8f998d9739ff42de8483b1
parent73df3d6f2e9533e93a5039a33c40dd7216b81801
nvmem: layouts: store owner from modules with nvmem_layout_driver_register()

Modules registering driver with nvmem_layout_driver_register() might
forget to set .owner field.  The field is used by some of other kernel
parts for reference counting (try_module_get()), so it is expected that
drivers will set it.

Solve the problem by moving this task away from the drivers to the core
code, just like we did for platform_driver in
commit 9447057eaff8 ("platform_device: use a macro instead of
platform_driver_register").

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Michael Walle <mwalle@kernel.org>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20240430084921.33387-2-srinivas.kandagatla@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/nvmem/layouts.c
include/linux/nvmem-provider.h