Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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>
+3
-5
+3
-5
block/blk-integrity.c
+3
-5
block/blk-integrity.c
···
58
58
int blk_get_meta_cap(struct block_device *bdev, unsigned int cmd,
59
59
struct logical_block_metadata_cap __user *argp)
60
60
{
61
-
struct blk_integrity *bi = blk_get_integrity(bdev->bd_disk);
61
+
struct blk_integrity *bi;
62
62
struct logical_block_metadata_cap meta_cap = {};
63
63
size_t usize = _IOC_SIZE(cmd);
64
64
65
-
if (_IOC_DIR(cmd) != _IOC_DIR(FS_IOC_GETLBMD_CAP) ||
66
-
_IOC_TYPE(cmd) != _IOC_TYPE(FS_IOC_GETLBMD_CAP) ||
67
-
_IOC_NR(cmd) != _IOC_NR(FS_IOC_GETLBMD_CAP) ||
68
-
_IOC_SIZE(cmd) < LBMD_SIZE_VER0)
65
+
if (!extensible_ioctl_valid(cmd, FS_IOC_GETLBMD_CAP, LBMD_SIZE_VER0))
69
66
return -ENOIOCTLCMD;
70
67
68
+
bi = blk_get_integrity(bdev->bd_disk);
71
69
if (!bi)
72
70
goto out;
73
71