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[NET_SCHED]: Propagate nla_parse return value

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nla_parse() returns more detailed errno codes, propagate them back on
error.

Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Patrick McHardy
2008-01-23 20:33:32 -08:00
committed by David S. Miller
parent ab27cfb85c
commit cee63723b3
25 changed files with 171 additions and 60 deletions
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6
net/sched/em_meta.c
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@@ -749,14 +749,16 @@ static inline int meta_is_supported(struct meta_value *val)
static int em_meta_change(struct tcf_proto *tp, void *data, int len,
struct tcf_ematch *m)
{
int err = -EINVAL;
int err;
struct nlattr *tb[TCA_EM_META_MAX + 1];
struct tcf_meta_hdr *hdr;
struct meta_match *meta = NULL;
if (nla_parse(tb, TCA_EM_META_MAX, data, len, NULL) < 0)
err = nla_parse(tb, TCA_EM_META_MAX, data, len, NULL);
if (err < 0)
goto errout;
err = -EINVAL;
if (tb[TCA_EM_META_HDR] == NULL ||
nla_len(tb[TCA_EM_META_HDR]) < sizeof(*hdr))
goto errout;