diff options
| author | Arkadi Sharshevsky <arkadis@mellanox.com> | 2018-02-20 08:44:20 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2018-02-20 13:38:53 -0500 |
| commit | cc944ead839a28b07cea4f90878f2b7e0cb71a02 (patch) | |
| tree | e119957725ff512935733cd9e4f7298540a741b9 /net/core | |
| parent | b99fe0e28fe0ba7d6e17e234e1150f1d9e197632 (diff) | |
devlink: Move size validation to core
Currently the size validation is done via a cb, which is unneeded. The
size validation can be moved to core. The next patch will perform cleanup.
Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/devlink.c | 32 |
1 files changed, 27 insertions, 5 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c index 18d385ed8237..88e846779269 100644 --- a/net/core/devlink.c +++ b/net/core/devlink.c @@ -2338,6 +2338,32 @@ out: resource->size_valid = size_valid; } +static int +devlink_resource_validate_size(struct devlink_resource *resource, u64 size, + struct netlink_ext_ack *extack) +{ + u64 reminder; + int err = 0; + + if (size > resource->size_params->size_max) { + NL_SET_ERR_MSG_MOD(extack, "Size larger than maximum"); + err = -EINVAL; + } + + if (size < resource->size_params->size_min) { + NL_SET_ERR_MSG_MOD(extack, "Size smaller than minimum"); + err = -EINVAL; + } + + div64_u64_rem(size, resource->size_params->size_granularity, &reminder); + if (reminder) { + NL_SET_ERR_MSG_MOD(extack, "Wrong granularity"); + err = -EINVAL; + } + + return err; +} + static int devlink_nl_cmd_resource_set(struct sk_buff *skb, struct genl_info *info) { @@ -2356,12 +2382,8 @@ static int devlink_nl_cmd_resource_set(struct sk_buff *skb, if (!resource) return -EINVAL; - if (!resource->resource_ops->size_validate) - return -EINVAL; - size = nla_get_u64(info->attrs[DEVLINK_ATTR_RESOURCE_SIZE]); - err = resource->resource_ops->size_validate(devlink, size, - info->extack); + err = devlink_resource_validate_size(resource, size, info->extack); if (err) return err; |