linux-kernel - [PATCH] nvmem: core: make nvmem_bus

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Message-Id: <20240204-bus_cleanup-nvmem-v1-1-21775783d1d2@marliere.net>
Date: Sun, 04 Feb 2024 17:22:51 -0300
From: "Ricardo B. Marliere" <ricardo@...liere.net>
To: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc: linux-kernel@...r.kernel.org, 
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
 "Ricardo B. Marliere" <ricardo@...liere.net>
Subject: [PATCH] nvmem: core: make nvmem_bus_type const

Now that the driver core can properly handle constant struct bus_type,
move the nvmem_bus_type variable to be a constant structure as well,
placing it into read-only memory which can not be modified at runtime.

Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@...liere.net>
---
 drivers/nvmem/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index eb357ac2e54a..5236f11d4700 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -517,7 +517,7 @@ static const struct device_type nvmem_provider_type = {
 	.release	= nvmem_release,
 };

-static struct bus_type nvmem_bus_type = {
+static const struct bus_type nvmem_bus_type = {
 	.name		= "nvmem",
 };

---
base-commit: a0cfd5e997824d0bd8c7620d40cdb324121a2fc7
change-id: 20240204-bus_cleanup-nvmem-a5d83375164b

Best regards,
-- 
Ricardo B. Marliere <ricardo@...liere.net>