diff options
| author | Hongbo Li <lihongbo22@huawei.com> | 2024-09-04 03:18:37 +0200 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2024-09-06 16:20:52 +0200 |
| commit | 27a8204b26ac009e47e0bcde4cd24ff69d96fccf (patch) | |
| tree | bc0eded1b234ab189de9ed5b64f6c76a3c48d500 /drivers/vfio | |
| parent | vfio: mdev: Remove unused function declarations (diff) | |
| download | linux-27a8204b26ac009e47e0bcde4cd24ff69d96fccf.tar.xz linux-27a8204b26ac009e47e0bcde4cd24ff69d96fccf.zip | |
vfio/mdev: Constify struct kobj_type
This 'struct kobj_type' is not modified. It is only used in
kobject_init_and_add() which takes a 'const struct kobj_type *ktype'
parameter.
Constifying this structure and moving it to a read-only section,
and this can increase over all security.
```
[Before]
text data bss dec hex filename
2372 600 0 2972 b9c drivers/vfio/mdev/mdev_sysfs.o
[After]
text data bss dec hex filename
2436 568 0 3004 bbc drivers/vfio/mdev/mdev_sysfs.o
```
Signed-off-by: Hongbo Li <lihongbo22@huawei.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Link: https://lore.kernel.org/r/20240904011837.2010444-1-lihongbo22@huawei.com
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
| -rw-r--r-- | drivers/vfio/mdev/mdev_sysfs.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/vfio/mdev/mdev_sysfs.c b/drivers/vfio/mdev/mdev_sysfs.c index 9d2738e10c0b..e44bb44c581e 100644 --- a/drivers/vfio/mdev/mdev_sysfs.c +++ b/drivers/vfio/mdev/mdev_sysfs.c @@ -160,7 +160,7 @@ static void mdev_type_release(struct kobject *kobj) put_device(type->parent->dev); } -static struct kobj_type mdev_type_ktype = { +static const struct kobj_type mdev_type_ktype = { .sysfs_ops = &mdev_type_sysfs_ops, .release = mdev_type_release, .default_groups = mdev_type_groups, |