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devlink: Constify the 'table_ops' parameter of devl_dpipe_table_register()

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"struct devlink_dpipe_table_ops" only contains some function pointers.

Update "struct devlink_dpipe_table" and the 'table_ops' parameter of
devl_dpipe_table_register() so that structures in drivers can be
constified.

Constifying these structures will move some data to a read-only section, so
increase overall security.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christophe JAILLET 2024-06-02 16:18:52 +02:00 committed by David S. Miller
parent 61578f6793
commit 82dc29b973
2 changed files with 3 additions and 3 deletions
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4
include/net/devlink.h
View File

@ -352,7 +352,7 @@ struct devlink_dpipe_table {
bool resource_valid;
u64 resource_id;
u64 resource_units;
struct devlink_dpipe_table_ops *table_ops;
const struct devlink_dpipe_table_ops *table_ops;
struct rcu_head rcu;
};
@ -1751,7 +1751,7 @@ void devl_sb_unregister(struct devlink *devlink, unsigned int sb_index);
void devlink_sb_unregister(struct devlink *devlink, unsigned int sb_index);
int devl_dpipe_table_register(struct devlink *devlink,
const char *table_name,
struct devlink_dpipe_table_ops *table_ops,
const struct devlink_dpipe_table_ops *table_ops,
void *priv, bool counter_control_extern);
void devl_dpipe_table_unregister(struct devlink *devlink,
const char *table_name);

2
net/devlink/dpipe.c
View File

@ -839,7 +839,7 @@ EXPORT_SYMBOL_GPL(devlink_dpipe_table_counter_enabled);
*/
int devl_dpipe_table_register(struct devlink *devlink,
const char *table_name,
struct devlink_dpipe_table_ops *table_ops,
const struct devlink_dpipe_table_ops *table_ops,
void *priv, bool counter_control_extern)
{
struct devlink_dpipe_table *table;