Commit c1df609d authored by Chuck Lever's avatar Chuck Lever Committed by J. Bruce Fields

nfsd: Const-ify NFSv4 encoding and decoding ops arrays

Close an attack vector by moving the arrays of encoding and decoding
methods to read-only memory.
Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarJ. Bruce Fields <bfields@redhat.com>
parent 2412e927
......@@ -1780,7 +1780,7 @@ nfsd4_decode_notsupp(struct nfsd4_compoundargs *argp, void *p)
typedef __be32(*nfsd4_dec)(struct nfsd4_compoundargs *argp, void *);
static nfsd4_dec nfsd4_dec_ops[] = {
static const nfsd4_dec nfsd4_dec_ops[] = {
[OP_ACCESS] = (nfsd4_dec)nfsd4_decode_access,
[OP_CLOSE] = (nfsd4_dec)nfsd4_decode_close,
[OP_COMMIT] = (nfsd4_dec)nfsd4_decode_commit,
......@@ -4224,7 +4224,7 @@ typedef __be32(* nfsd4_enc)(struct nfsd4_compoundres *, __be32, void *);
* since we don't need to filter out obsolete ops as this is
* done in the decoding phase.
*/
static nfsd4_enc nfsd4_enc_ops[] = {
static const nfsd4_enc nfsd4_enc_ops[] = {
[OP_ACCESS] = (nfsd4_enc)nfsd4_encode_access,
[OP_CLOSE] = (nfsd4_enc)nfsd4_encode_close,
[OP_COMMIT] = (nfsd4_enc)nfsd4_encode_commit,
......
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