Staging: lustre: lustre: mdc: mdc_request: Removed useless variable

Variable rc is initialised and returned by the function without modifying.
Hence replaced rc with it's initial value in the return statement and
removed the variable.
Signed-off-by: NTina Johnson <tinajohnson.1234@gmail.com>
Acked-by: NJulia Lawall <julia.lawall@lip6.fr>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/lustre/lustre/mdc/mdc_request.c

@@ -2500,8 +2500,6 @@ static int mdc_init_ea_size(struct obd_export *exp, int easize,
 
 static int mdc_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
 {
-	int rc = 0;
-
 	switch (stage) {
 	case OBD_CLEANUP_EARLY:
 		break;
@@ -2517,7 +2515,7 @@ static int mdc_precleanup(struct obd_device *obd, enum obd_cleanup_stage stage)
 		mdc_llog_finish(obd);
 		break;
 	}
-	return rc;
+	return 0;
 }
 
 static int mdc_cleanup(struct obd_device *obd)