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| author | Chuck Lever <chuck.lever@oracle.com> | 2020-11-22 12:49:52 -0500 |
|---|---|---|
| committer | Chuck Lever <chuck.lever@oracle.com> | 2020-11-30 14:46:43 -0500 |
| commit | 3a237b4af5b7b0e77588e120554077cab3341943 (patch) | |
| tree | 580f2446b927523189cd5f6264ba24a9269aea0d /fs/nfsd/nfs4xdr.c | |
| parent | 2212036cadf4da3c4b0e4bd2a9a8c3d78617ab4f (diff) | |
| download | linux-stable-3a237b4af5b7b0e77588e120554077cab3341943.tar.gz linux-stable-3a237b4af5b7b0e77588e120554077cab3341943.tar.bz2 linux-stable-3a237b4af5b7b0e77588e120554077cab3341943.zip | |
NFSD: Make nfsd4_ops::opnum a u32
Avoid passing a "pointer to int" argument to xdr_stream_decode_u32.
Signed-off-by: Chuck Lever <chuck.lever@oracle.com>
Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 777b11810e95..a3cfc1d071a6 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2419,9 +2419,8 @@ nfsd4_decode_compound(struct nfsd4_compoundargs *argp) op = &argp->ops[i]; op->replay = NULL; - READ_BUF(4); - op->opnum = be32_to_cpup(p++); - + if (xdr_stream_decode_u32(argp->xdr, &op->opnum) < 0) + return nfserr_bad_xdr; if (nfsd4_opnum_in_range(argp, op)) { op->status = nfsd4_dec_ops[op->opnum](argp, &op->u); if (op->status != nfs_ok) @@ -5378,7 +5377,7 @@ nfsd4_encode_operation(struct nfsd4_compoundres *resp, struct nfsd4_op *op) if (op->status && opdesc && !(opdesc->op_flags & OP_NONTRIVIAL_ERROR_ENCODE)) goto status; - BUG_ON(op->opnum < 0 || op->opnum >= ARRAY_SIZE(nfsd4_enc_ops) || + BUG_ON(op->opnum >= ARRAY_SIZE(nfsd4_enc_ops) || !nfsd4_enc_ops[op->opnum]); encoder = nfsd4_enc_ops[op->opnum]; op->status = encoder(resp, op->status, &op->u); |