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Commit 1c74a244 authored by Chuck Lever's avatar Chuck Lever Committed by Trond Myklebust
Browse files

SUNRPC: Don't recognize RPC_AUTH_MAXFLAVOR 



RPC_AUTH_MAXFLAVOR is an invalid flavor, on purpose.  Don't allow
any processing whatsoever if a caller passes it to rpcauth_create()
or rpcauth_get_gssinfo().

Signed-off-by: default avatarChuck Lever <chuck.lever@oracle.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 4edaa308

net/sunrpc/auth.c

+4 −1
Original line number Diff line number Diff line
@@ -82,7 +82,7 @@ MODULE_PARM_DESC(auth_hashtable_size, "RPC credential cache hashtable size"); 


static u32

pseudoflavor_to_flavor(u32 flavor) {

	if (flavor >= RPC_AUTH_MAXFLAVOR)

	if (flavor > RPC_AUTH_MAXFLAVOR)

		return RPC_AUTH_GSS;

	return flavor;

}
@@ -173,6 +173,9 @@ rpcauth_get_gssinfo(rpc_authflavor_t pseudoflavor, struct rpcsec_gss_info *info) 
	const struct rpc_authops *ops;

	int result;



	if (flavor >= RPC_AUTH_MAXFLAVOR)

		return -EINVAL;



	ops = auth_flavors[flavor];

	if (ops == NULL)

		request_module("rpc-auth-%u", flavor);