2024-02-04 20:48:10

by Ricardo B. Marliere

[permalink] [raw]
Subject: [PATCH] scsi: tcm_loop: make tcm_loop_lld_bus const

Now that the driver core can properly handle constant struct bus_type,
move the tcm_loop_lld_bus 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 <[email protected]>
Suggested-by: Greg Kroah-Hartman <[email protected]>
Signed-off-by: Ricardo B. Marliere <[email protected]>
---
drivers/target/loopback/tcm_loop.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 8e4035ff3674..761c511aea07 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -83,7 +83,7 @@ static int tcm_loop_show_info(struct seq_file *m, struct Scsi_Host *host)
static int tcm_loop_driver_probe(struct device *);
static void tcm_loop_driver_remove(struct device *);

-static struct bus_type tcm_loop_lld_bus = {
+static const struct bus_type tcm_loop_lld_bus = {
.name = "tcm_loop_bus",
.probe = tcm_loop_driver_probe,
.remove = tcm_loop_driver_remove,

---
base-commit: 3f90ac7138edb995b4312221647b58afcc15ec06
change-id: 20240204-bus_cleanup-target-5393cf09c658

Best regards,
--
Ricardo B. Marliere <[email protected]>



2024-02-05 19:12:43

by Greg Kroah-Hartman

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Subject: Re: [PATCH] scsi: tcm_loop: make tcm_loop_lld_bus const

On Sun, Feb 04, 2024 at 05:48:26PM -0300, Ricardo B. Marliere wrote:
> Now that the driver core can properly handle constant struct bus_type,
> move the tcm_loop_lld_bus 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 <[email protected]>
> Suggested-by: Greg Kroah-Hartman <[email protected]>
> Signed-off-by: Ricardo B. Marliere <[email protected]>

Reviewed-by: Greg Kroah-Hartman <[email protected]>

2024-02-06 02:01:00

by Martin K. Petersen

[permalink] [raw]
Subject: Re: [PATCH] scsi: tcm_loop: make tcm_loop_lld_bus const


Ricardo,

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

Applied to 6.9/scsi-staging, thanks!

--
Martin K. Petersen Oracle Linux Engineering

2024-02-13 02:06:57

by Martin K. Petersen

[permalink] [raw]
Subject: Re: [PATCH] scsi: tcm_loop: make tcm_loop_lld_bus const

On Sun, 04 Feb 2024 17:48:26 -0300, Ricardo B. Marliere wrote:

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

Applied to 6.9/scsi-queue, thanks!

[1/1] scsi: tcm_loop: make tcm_loop_lld_bus const
https://git.kernel.org/mkp/scsi/c/4ad946536537

--
Martin K. Petersen Oracle Linux Engineering