diff options
author | Ricardo B. Marliere <ricardo@marliere.net> | 2024-02-09 20:27:48 -0300 |
---|---|---|
committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-02-16 11:46:33 +0100 |
commit | 044c566d05035af5092f65a2912a28312dada8fe (patch) | |
tree | ae333008d6abed8fd8329636e680c2310f9907f9 /drivers/media | |
parent | 45d6ed917020855f0ca3ffbe549aba96ba992983 (diff) | |
download | linux-044c566d05035af5092f65a2912a28312dada8fe.tar.gz |
media: bt8xx: make bttv_sub_bus_type const
Now that the driver core can properly handle constant struct bus_type,
move the bttv_sub_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@linuxfoundation.org>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ricardo B. Marliere <ricardo@marliere.net>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/pci/bt8xx/bttv-gpio.c | 2 | ||||
-rw-r--r-- | drivers/media/pci/bt8xx/bttvp.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/media/pci/bt8xx/bttv-gpio.c b/drivers/media/pci/bt8xx/bttv-gpio.c index a2b18e2bed1b0..6b7fea50328c2 100644 --- a/drivers/media/pci/bt8xx/bttv-gpio.c +++ b/drivers/media/pci/bt8xx/bttv-gpio.c @@ -55,7 +55,7 @@ static void bttv_sub_remove(struct device *dev) sub->remove(sdev); } -struct bus_type bttv_sub_bus_type = { +const struct bus_type bttv_sub_bus_type = { .name = "bttv-sub", .match = &bttv_sub_bus_match, .probe = bttv_sub_probe, diff --git a/drivers/media/pci/bt8xx/bttvp.h b/drivers/media/pci/bt8xx/bttvp.h index 0368a583cf077..a534e63b9a37b 100644 --- a/drivers/media/pci/bt8xx/bttvp.h +++ b/drivers/media/pci/bt8xx/bttvp.h @@ -234,7 +234,7 @@ int bttv_s_fmt_vbi_cap(struct file *file, void *fh, struct v4l2_format *f); /* ---------------------------------------------------------- */ /* bttv-gpio.c */ -extern struct bus_type bttv_sub_bus_type; +extern const struct bus_type bttv_sub_bus_type; int bttv_sub_add_device(struct bttv_core *core, char *name); int bttv_sub_del_devices(struct bttv_core *core); |