diff options
Diffstat (limited to 'fs/nfsd')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 22 |
1 files changed, 18 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 893db985c927..f858ab45ed37 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -285,6 +285,18 @@ nfsd4_decode_nfstime4(struct nfsd4_compoundargs *argp, struct timespec64 *tv) } static __be32 +nfsd4_decode_verifier4(struct nfsd4_compoundargs *argp, nfs4_verifier *verf) +{ + __be32 *p; + + p = xdr_inline_decode(argp->xdr, NFS4_VERIFIER_SIZE); + if (!p) + return nfserr_bad_xdr; + memcpy(verf->data, p, sizeof(verf->data)); + return nfs_ok; +} + +static __be32 nfsd4_decode_bitmap(struct nfsd4_compoundargs *argp, u32 *bmval) { u32 bmlen; @@ -1047,14 +1059,16 @@ nfsd4_decode_open(struct nfsd4_compoundargs *argp, struct nfsd4_open *open) goto out; break; case NFS4_CREATE_EXCLUSIVE: - READ_BUF(NFS4_VERIFIER_SIZE); - COPYMEM(open->op_verf.data, NFS4_VERIFIER_SIZE); + status = nfsd4_decode_verifier4(argp, &open->op_verf); + if (status) + return status; break; case NFS4_CREATE_EXCLUSIVE4_1: if (argp->minorversion < 1) goto xdr_error; - READ_BUF(NFS4_VERIFIER_SIZE); - COPYMEM(open->op_verf.data, NFS4_VERIFIER_SIZE); + status = nfsd4_decode_verifier4(argp, &open->op_verf); + if (status) + return status; status = nfsd4_decode_fattr4(argp, open->op_bmval, ARRAY_SIZE(open->op_bmval), &open->op_iattr, &open->op_acl, |