core: Resolve memory leak for brick

Problem: Some functions are not freeing memory allocated by
         xdr_to_genric so it has become leak

Solution: Call free to avoid leak

Change-Id: I3524fe2831d1511d378a032f21467edae3850314
fixes: bz#1656682
Signed-off-by: Mohit Agrawal <moagrawal@redhat.com>

glusterfsd/src/glusterfsd-mgmt.c

@@ -282,6 +282,8 @@ glusterfs_handle_terminate(rpcsvc_request_t *req)
 err:
     if (!lockflag)
         UNLOCK(&ctx->volfile_lock);
+    if (xlator_req.input.input_val)
+        free(xlator_req.input.input_val);
     free(xlator_req.name);
     xlator_req.name = NULL;
     return 0;
@@ -1030,6 +1032,8 @@ out:
 
     GF_FREE(msg);
     GF_FREE(filepath);
+    if (xlator_req.input.input_val)
+        free(xlator_req.input.input_val);
 
     return ret;
 }
@@ -1250,6 +1254,7 @@ out:
     if (output)
         dict_unref(output);
     free(brick_req.input.input_val);
+    free(brick_req.name);
     GF_FREE(xname);
     GF_FREE(msg);
     GF_FREE(rsp.output.output_val);
@@ -2117,7 +2122,8 @@ out:
     GF_FREE(frame->local);
     frame->local = NULL;
     STACK_DESTROY(frame->root);
-
+    if (rsp.xdata.xdata_val)
+        free(rsp.xdata.xdata_val);
     free(rsp.spec);
 
     if (dict)

xlators/features/quota/src/quotad-aggregator.c

@@ -280,6 +280,8 @@ errx:
     if (dict)
         dict_unref(dict);
 
+    if (cli_req.dict.dict_val)
+        free(cli_req.dict.dict_val);
     return ret;
 }
 
@@ -347,6 +349,7 @@ err:
     rsp.op_errno = op_errno;
 
     quotad_aggregator_lookup_cbk(this, frame, &rsp);
+    free(args.xdata.xdata_val);
     return ret;
 }
 

xlators/protocol/server/src/server-rpc-fops.c

@@ -4255,6 +4255,7 @@ server3_3_release(rpcsvc_request_t *req)
 
     ret = 0;
 out:
+    free(args.xdata.xdata_val);
     return ret;
 }
 
@@ -4302,6 +4303,7 @@ server3_3_releasedir(rpcsvc_request_t *req)
 
     ret = 0;
 out:
+    free(args.xdata.xdata_val);
     return ret;
 }