block: use extensible_ioctl_valid()

Use the new extensible_ioctl_valid() helper which is equivalent to what
is done here.

Reviewed-by: Jens Axboe <axboe@kernel.dk>
Reviewed-by: Jan Kara <jack@suse.cz>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
Christian Brauner
2025-09-12 13:52:27 +02:00
parent f8527a29f4
commit fa8ee8627b

View File

@@ -58,16 +58,14 @@ new_segment:
int blk_get_meta_cap(struct block_device *bdev, unsigned int cmd,
struct logical_block_metadata_cap __user *argp)
{
struct blk_integrity *bi = blk_get_integrity(bdev->bd_disk);
struct blk_integrity *bi;
struct logical_block_metadata_cap meta_cap = {};
size_t usize = _IOC_SIZE(cmd);
if (_IOC_DIR(cmd) != _IOC_DIR(FS_IOC_GETLBMD_CAP) ||
_IOC_TYPE(cmd) != _IOC_TYPE(FS_IOC_GETLBMD_CAP) ||
_IOC_NR(cmd) != _IOC_NR(FS_IOC_GETLBMD_CAP) ||
_IOC_SIZE(cmd) < LBMD_SIZE_VER0)
if (!extensible_ioctl_valid(cmd, FS_IOC_GETLBMD_CAP, LBMD_SIZE_VER0))
return -ENOIOCTLCMD;
bi = blk_get_integrity(bdev->bd_disk);
if (!bi)
goto out;