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| author | Wedson Almeida Filho <wedsonaf@google.com> | 2021-12-24 23:13:45 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-12-27 10:40:00 +0100 |
| commit | ee6d3dd4ed48ab24b74bab3c3977b8218518247d (patch) | |
| tree | f5d2c211fb55a757d64e74b2b8fcb6e7211ae19e /drivers/base/core.c | |
| parent | 67e532a42cf4c6c214ed39e33e617bca29508f4e (diff) | |
| download | lwn-ee6d3dd4ed48ab24b74bab3c3977b8218518247d.tar.gz lwn-ee6d3dd4ed48ab24b74bab3c3977b8218518247d.zip | |
driver core: make kobj_type constant.
This way instances of kobj_type (which contain function pointers) can be
stored in .rodata, which means that they cannot be [easily/accidentally]
modified at runtime.
Signed-off-by: Wedson Almeida Filho <wedsonaf@google.com>
Link: https://lore.kernel.org/r/20211224231345.777370-1-wedsonaf@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/base/core.c')
| -rw-r--r-- | drivers/base/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c index fd034d742447..d712ea11066b 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -2263,7 +2263,7 @@ static struct kobj_type device_ktype = { static int dev_uevent_filter(struct kset *kset, struct kobject *kobj) { - struct kobj_type *ktype = get_ktype(kobj); + const struct kobj_type *ktype = get_ktype(kobj); if (ktype == &device_ktype) { struct device *dev = kobj_to_dev(kobj); |