LU-2986 mdc: Kernel Oops on ioctl LL_IOC_GET_MDTIDX

[fs/lustre-release.git] / lustre / mdc / mdc_request.c

diff --git a/lustre/mdc/mdc_request.c b/lustre/mdc/mdc_request.c
index 9f3dea4..f068026 100644 (file)
--- a/lustre/mdc/mdc_request.c
+++ b/lustre/mdc/mdc_request.c
@@ -225,6 +225,11 @@ int mdc_getattr(struct obd_export *exp, struct md_op_data *op_data,
         int                    rc;
         ENTRY;
 
+       /* Single MDS without an LMV case */
+       if (op_data->op_flags & MF_GET_MDT_IDX) {
+               op_data->op_mds = 0;
+               RETURN(0);
+       }
         *request = NULL;
         req = ptlrpc_request_alloc(class_exp2cliimp(exp), &RQF_MDS_GETATTR);
         if (req == NULL)