RPC: The RPCAUTH_CRED_DEAD flag had been unused for some time before I

unwisely revived it for use with the gss code.  Having removed that use
from the gss code, it's time to remove all references to it.
Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu>
Signed-off-by: Trond Myklebust <trond.myklebust@fys.uio.no>

include/linux/sunrpc/auth.h

@@ -51,7 +51,6 @@ struct rpc_cred {
 };
 #define RPCAUTH_CRED_LOCKED	0x0001
 #define RPCAUTH_CRED_UPTODATE	0x0002
-#define RPCAUTH_CRED_DEAD	0x0004
 
 #define RPCAUTH_CRED_MAGIC	0x0f4aa4f0
 
@@ -131,7 +130,6 @@ int			rpcauth_unwrap_resp(struct rpc_task *task, kxdrproc_t decode, void *rqstp,
 int			rpcauth_refreshcred(struct rpc_task *);
 void			rpcauth_invalcred(struct rpc_task *);
 int			rpcauth_uptodatecred(struct rpc_task *);
-int			rpcauth_deadcred(struct rpc_task *);
 void			rpcauth_init_credcache(struct rpc_auth *);
 void			rpcauth_free_credcache(struct rpc_auth *);
 

net/sunrpc/auth.c

@@ -214,8 +214,6 @@ rpcauth_lookup_credcache(struct rpc_auth *auth, struct auth_cred * acred,
 	list_for_each_safe(pos, next, &auth->au_credcache[nr]) {
 		struct rpc_cred *entry;
 	       	entry = list_entry(pos, struct rpc_cred, cr_hash);
-		if (entry->cr_flags & RPCAUTH_CRED_DEAD)
-			continue;
 		if (rpcauth_prune_expired(entry, &free))
 			continue;
 		if (entry->cr_ops->crmatch(acred, entry, taskflags)) {
@@ -307,9 +305,6 @@ put_rpccred(struct rpc_cred *cred)
 	if (!atomic_dec_and_lock(&cred->cr_count, &rpc_credcache_lock))
 		return;
 
-	if ((cred->cr_flags & RPCAUTH_CRED_DEAD) && !list_empty(&cred->cr_hash))
-		list_del_init(&cred->cr_hash);
-
 	if (list_empty(&cred->cr_hash)) {
 		spin_unlock(&rpc_credcache_lock);
 		rpcauth_crdestroy(cred);
@@ -413,10 +408,3 @@ rpcauth_uptodatecred(struct rpc_task *task)
 	return !(task->tk_msg.rpc_cred) ||
 		(task->tk_msg.rpc_cred->cr_flags & RPCAUTH_CRED_UPTODATE);
 }
-
-int
-rpcauth_deadcred(struct rpc_task *task)
-{
-	return !(task->tk_msg.rpc_cred) ||
-		(task->tk_msg.rpc_cred->cr_flags & RPCAUTH_CRED_DEAD);
-}