Re: [PATCH] memstick: Constify the driver id_table
From: Ulf Hansson
Date: Mon May 11 2026 - 11:52:30 EST
On Tue, 5 May 2026 at 12:39, Krzysztof Kozlowski
<krzysztof.kozlowski@xxxxxxxxxxxxxxxx> wrote:
>
> Just like all other driver structures, the id_table should never be
> modified by core subsystem parts. Constify this member and actual data
> structures for increased code safety.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>
Applied for next, thanks!
Kind regards
Uffe
>
> ---
>
> This should probably go via memstick tree with mmc ack. Or other way
> around.
> ---
> drivers/memstick/host/tifm_ms.c | 2 +-
> drivers/misc/tifm_core.c | 4 ++--
> drivers/mmc/host/tifm_sd.c | 2 +-
> include/linux/tifm.h | 2 +-
> 4 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/memstick/host/tifm_ms.c b/drivers/memstick/host/tifm_ms.c
> index 0b6a90661eee..0a54586aa54e 100644
> --- a/drivers/memstick/host/tifm_ms.c
> +++ b/drivers/memstick/host/tifm_ms.c
> @@ -647,7 +647,7 @@ static int tifm_ms_resume(struct tifm_dev *sock)
>
> #endif /* CONFIG_PM */
>
> -static struct tifm_device_id tifm_ms_id_tbl[] = {
> +static const struct tifm_device_id tifm_ms_id_tbl[] = {
> { TIFM_TYPE_MS }, { 0 }
> };
>
> diff --git a/drivers/misc/tifm_core.c b/drivers/misc/tifm_core.c
> index da0827724a61..aac8f0933e43 100644
> --- a/drivers/misc/tifm_core.c
> +++ b/drivers/misc/tifm_core.c
> @@ -31,7 +31,7 @@ static const char *tifm_media_type_name(unsigned char type, unsigned char nt)
> return card_type_name[nt][type - 1];
> }
>
> -static int tifm_dev_match(struct tifm_dev *sock, struct tifm_device_id *id)
> +static int tifm_dev_match(struct tifm_dev *sock, const struct tifm_device_id *id)
> {
> if (sock->type == id->type)
> return 1;
> @@ -43,7 +43,7 @@ static int tifm_bus_match(struct device *dev, const struct device_driver *drv)
> struct tifm_dev *sock = container_of(dev, struct tifm_dev, dev);
> const struct tifm_driver *fm_drv = container_of_const(drv, struct tifm_driver,
> driver);
> - struct tifm_device_id *ids = fm_drv->id_table;
> + const struct tifm_device_id *ids = fm_drv->id_table;
>
> if (ids) {
> while (ids->type) {
> diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c
> index aebffd3ebf60..28ab2526dab1 100644
> --- a/drivers/mmc/host/tifm_sd.c
> +++ b/drivers/mmc/host/tifm_sd.c
> @@ -1041,7 +1041,7 @@ static int tifm_sd_resume(struct tifm_dev *sock)
>
> #endif /* CONFIG_PM */
>
> -static struct tifm_device_id tifm_sd_id_tbl[] = {
> +static const struct tifm_device_id tifm_sd_id_tbl[] = {
> { TIFM_TYPE_SD }, { }
> };
> MODULE_DEVICE_TABLE(tifm, tifm_sd_id_tbl);
> diff --git a/include/linux/tifm.h b/include/linux/tifm.h
> index 44073d06710f..752fcfae27fe 100644
> --- a/include/linux/tifm.h
> +++ b/include/linux/tifm.h
> @@ -97,7 +97,7 @@ struct tifm_dev {
> };
>
> struct tifm_driver {
> - struct tifm_device_id *id_table;
> + const struct tifm_device_id *id_table;
> int (*probe)(struct tifm_dev *dev);
> void (*remove)(struct tifm_dev *dev);
> int (*suspend)(struct tifm_dev *dev,
> --
> 2.51.0
>