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lockd: Update the NLMv4 SM_NOTIFY arguments decoder to use struct xdr_stream

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Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
This commit is contained in:
Chuck Lever 2021-06-03 16:52:52 -04:00 committed by J. Bruce Fields
parent b4c24b5a41
commit bc3665fd71
1 changed files with 26 additions and 13 deletions
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39
fs/lockd/xdr4.c
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@ -309,6 +309,32 @@ nlm4svc_decode_res(struct svc_rqst *rqstp, __be32 *p)
return 1;
}
int
nlm4svc_decode_reboot(struct svc_rqst *rqstp, __be32 *p)
{
struct xdr_stream *xdr = &rqstp->rq_arg_stream;
struct nlm_reboot *argp = rqstp->rq_argp;
u32 len;
if (xdr_stream_decode_u32(xdr, &len) < 0)
return 0;
if (len > SM_MAXSTRLEN)
return 0;
p = xdr_inline_decode(xdr, len);
if (!p)
return 0;
argp->len = len;
argp->mon = (char *)p;
if (xdr_stream_decode_u32(xdr, &argp->state) < 0)
return 0;
p = xdr_inline_decode(xdr, SM_PRIV_SIZE);
if (!p)
return 0;
memcpy(&argp->priv.data, p, sizeof(argp->priv.data));
return 1;
}
int
nlm4svc_encode_testres(struct svc_rqst *rqstp, __be32 *p)
{
@ -376,19 +402,6 @@ nlm4svc_decode_notify(struct svc_rqst *rqstp, __be32 *p)
return xdr_argsize_check(rqstp, p);
}
int
nlm4svc_decode_reboot(struct svc_rqst *rqstp, __be32 *p)
{
struct nlm_reboot *argp = rqstp->rq_argp;
if (!(p = xdr_decode_string_inplace(p, &argp->mon, &argp->len, SM_MAXSTRLEN)))
return 0;
argp->state = ntohl(*p++);
memcpy(&argp->priv.data, p, sizeof(argp->priv.data));
p += XDR_QUADLEN(SM_PRIV_SIZE);
return xdr_argsize_check(rqstp, p);
}
int
nlm4svc_encode_void(struct svc_rqst *rqstp, __be32 *p)
{