diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-09 15:48:43 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-11-10 18:24:03 +0100 |
| commit | be7e8b917ead54754cc14b6c03769c8738a3f3f3 (patch) | |
| tree | 53bd904ed0ebafd92019506c549fd88144f3f934 | |
| parent | fa627348cfc7fb174468d88756b83c2d97890b07 (diff) | |
blkdev: make struct block_device_operations.devnode() take a const *
The devnode() callback in struct block_device_operations should not be
modifying the device that is passed into it, so mark it as a const * and
propagate the function signature changes out into the one subsystem that
actually uses this callback.
Acked-by: Jens Axboe <axboe@kernel.dk>
Link: https://lore.kernel.org/r/20221109144843.679668-1-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/block/pktcdvd.c | 2 | ||||
| -rw-r--r-- | include/linux/blkdev.h | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 4cea3b08087e..8dc15be95962 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -2632,7 +2632,7 @@ static unsigned int pkt_check_events(struct gendisk *disk, return attached_disk->fops->check_events(attached_disk, clearing); } -static char *pkt_devnode(struct gendisk *disk, umode_t *mode) +static char *pkt_devnode(const struct gendisk *disk, umode_t *mode) { return kasprintf(GFP_KERNEL, "pktcdvd/%s", disk->disk_name); } diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 50e358a19d98..2a455793462b 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1413,7 +1413,7 @@ struct block_device_operations { void (*swap_slot_free_notify) (struct block_device *, unsigned long); int (*report_zones)(struct gendisk *, sector_t sector, unsigned int nr_zones, report_zones_cb cb, void *data); - char *(*devnode)(struct gendisk *disk, umode_t *mode); + char *(*devnode)(const struct gendisk *disk, umode_t *mode); /* returns the length of the identifier or a negative errno: */ int (*get_unique_id)(struct gendisk *disk, u8 id[16], enum blk_unique_id id_type); |