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authorParav Pandit <parav@nvidia.com>2020-09-21 19:41:29 +0300
committerDavid S. Miller <davem@davemloft.net>2020-09-23 03:38:42 +0300
commitba356c90985defec30c8680077bf571a50a4004b (patch)
tree385db55b763ff0c6cb38d98941e4dca0f2a21f2f /net/core
parent3ab0a7a0c349a1d7beb2bb371a62669d1528269d (diff)
downloadlinux-ba356c90985defec30c8680077bf571a50a4004b.tar.xz
devlink: Enhance policy to validate eswitch mode value
Use range checking facility of nla_policy to validate eswitch mode input attribute value is valid or not. Signed-off-by: Parav Pandit <parav@nvidia.com> Reviewed-by: Jiri Pirko <jiri@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/core')
-rw-r--r--net/core/devlink.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/core/devlink.c b/net/core/devlink.c
index 045468390480..b0b3af3ef355 100644
--- a/net/core/devlink.c
+++ b/net/core/devlink.c
@@ -7064,7 +7064,8 @@ static const struct nla_policy devlink_nl_policy[DEVLINK_ATTR_MAX + 1] = {
[DEVLINK_ATTR_SB_POOL_THRESHOLD_TYPE] = { .type = NLA_U8 },
[DEVLINK_ATTR_SB_THRESHOLD] = { .type = NLA_U32 },
[DEVLINK_ATTR_SB_TC_INDEX] = { .type = NLA_U16 },
- [DEVLINK_ATTR_ESWITCH_MODE] = { .type = NLA_U16 },
+ [DEVLINK_ATTR_ESWITCH_MODE] = NLA_POLICY_RANGE(NLA_U16, DEVLINK_ESWITCH_MODE_LEGACY,
+ DEVLINK_ESWITCH_MODE_SWITCHDEV),
[DEVLINK_ATTR_ESWITCH_INLINE_MODE] = { .type = NLA_U8 },
[DEVLINK_ATTR_ESWITCH_ENCAP_MODE] = { .type = NLA_U8 },
[DEVLINK_ATTR_DPIPE_TABLE_NAME] = { .type = NLA_NUL_STRING },