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cls_flower: Add extack support for flags key 

Pass extack down to fl_set_key_flags() and set message on error.

Signed-off-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Guillaume Nault 2020-03-23 21:48:53 +01:00 committed by David S. Miller
parent bd7d4c1281
commit e304e21a2b
1 changed files with 7 additions and 4 deletions
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11
net/sched/cls_flower.c
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@ -856,14 +856,16 @@ static void fl_set_key_flag(u32 flower_key, u32 flower_mask,
}
}
static int fl_set_key_flags(struct nlattr **tb,
u32 *flags_key, u32 *flags_mask)
static int fl_set_key_flags(struct nlattr **tb, u32 *flags_key,
u32 *flags_mask, struct netlink_ext_ack *extack)
{
u32 key, mask;
/* mask is mandatory for flags */
if (!tb[TCA_FLOWER_KEY_FLAGS_MASK])
if (!tb[TCA_FLOWER_KEY_FLAGS_MASK]) {
NL_SET_ERR_MSG(extack, "Missing flags mask");
return -EINVAL;
}
key = be32_to_cpu(nla_get_u32(tb[TCA_FLOWER_KEY_FLAGS]));
mask = be32_to_cpu(nla_get_u32(tb[TCA_FLOWER_KEY_FLAGS_MASK]));
@ -1474,7 +1476,8 @@ static int fl_set_key(struct net *net, struct nlattr **tb,
return ret;
if (tb[TCA_FLOWER_KEY_FLAGS])
ret = fl_set_key_flags(tb, &key->control.flags, &mask->control.flags);
ret = fl_set_key_flags(tb, &key->control.flags,
&mask->control.flags, extack);
return ret;
}