sunrpc: remove SVC_SYSERR

Nothing returns this error code.

Signed-off-by: Jeff Layton <[email protected]>
Signed-off-by: Chuck Lever <[email protected]>

Author: jtlayton

include/linux/sunrpc/svcauth.h

@@ -86,7 +86,6 @@ struct auth_domain {
 
 enum svc_auth_status {
 	SVC_GARBAGE = 1,
-	SVC_SYSERR,
 	SVC_VALID,
 	SVC_NEGATIVE,
 	SVC_OK,

include/trace/events/sunrpc.h

@@ -1691,7 +1691,6 @@ SVC_RQST_FLAG_LIST
 		__print_flags(flags, "|", SVC_RQST_FLAG_LIST)
 
 TRACE_DEFINE_ENUM(SVC_GARBAGE);
-TRACE_DEFINE_ENUM(SVC_SYSERR);
 TRACE_DEFINE_ENUM(SVC_VALID);
 TRACE_DEFINE_ENUM(SVC_NEGATIVE);
 TRACE_DEFINE_ENUM(SVC_OK);
@@ -1704,7 +1703,6 @@ TRACE_DEFINE_ENUM(SVC_COMPLETE);
 #define show_svc_auth_status(status)			\
 	__print_symbolic(status,			\
 		{ SVC_GARBAGE,	"SVC_GARBAGE" },	\
-		{ SVC_SYSERR,	"SVC_SYSERR" },		\
 		{ SVC_VALID,	"SVC_VALID" },		\
 		{ SVC_NEGATIVE,	"SVC_NEGATIVE" },	\
 		{ SVC_OK,	"SVC_OK" },		\

net/sunrpc/svc.c

@@ -1375,8 +1375,6 @@ svc_process_common(struct svc_rqst *rqstp)
 	case SVC_GARBAGE:
 		rqstp->rq_auth_stat = rpc_autherr_badcred;
 		goto err_bad_auth;
-	case SVC_SYSERR:
-		goto err_system_err;
 	case SVC_DENIED:
 		goto err_bad_auth;
 	case SVC_CLOSE:
@@ -1515,12 +1513,6 @@ svc_process_common(struct svc_rqst *rqstp)
 		serv->sv_stats->rpcbadfmt++;
 	*rqstp->rq_accept_statp = rpc_proc_unavail;
 	goto sendit;
-
-err_system_err:
-	if (serv->sv_stats)
-		serv->sv_stats->rpcbadfmt++;
-	*rqstp->rq_accept_statp = rpc_system_err;
-	goto sendit;
 }
 
 /*