[PATCH 4/6] 9pfs: refactor 'name_idx' -> 'nvalid' in v9fs_walk()

[Christian Schoenebeck]

The local variable 'name_idx' is used in two loops in function v9fs_walk().
Let the first loop use its own variable 'nvalid' instead, which we will use
in subsequent patches as the number of (requested) path components
successfully retrieved/walked by background I/O thread.

Signed-off-by: Christian Schoenebeck <qemu_...@crudebyte.com>
---
 hw/9pfs/9p.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index a6d6b3f835..6cdc566866 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -1764,7 +1764,7 @@ static bool same_stat_id(const struct stat *a, const 
struct stat *b)
 
 static void coroutine_fn v9fs_walk(void *opaque)
 {
-    int name_idx;
+    int name_idx, nvalid;
     g_autofree V9fsQID *qids = NULL;
     int i, err = 0;
     V9fsPath dpath, path;
@@ -1842,17 +1842,17 @@ static void coroutine_fn v9fs_walk(void *opaque)
             break;
         }
         stbuf = fidst;
-        for (name_idx = 0; name_idx < nwnames; name_idx++) {
+        for (nvalid = 0; nvalid < nwnames; nvalid++) {
             if (v9fs_request_cancelled(pdu)) {
                 err = -EINTR;
                 break;
             }
             if (!same_stat_id(&pdu->s->root_st, &stbuf) ||
-                strcmp("..", wnames[name_idx].data))
+                strcmp("..", wnames[nvalid].data))
             {
                 err = s->ops->name_to_path(&s->ctx, &dpath,
-                                           wnames[name_idx].data,
-                                           &pathes[name_idx]);
+                                           wnames[nvalid].data,
+                                           &pathes[nvalid]);
                 if (err < 0) {
                     err = -errno;
                     break;
@@ -1861,13 +1861,13 @@ static void coroutine_fn v9fs_walk(void *opaque)
                     err = -EINTR;
                     break;
                 }
-                err = s->ops->lstat(&s->ctx, &pathes[name_idx], &stbuf);
+                err = s->ops->lstat(&s->ctx, &pathes[nvalid], &stbuf);
                 if (err < 0) {
                     err = -errno;
                     break;
                 }
-                stbufs[name_idx] = stbuf;
-                v9fs_path_copy(&dpath, &pathes[name_idx]);
+                stbufs[nvalid] = stbuf;
+                v9fs_path_copy(&dpath, &pathes[nvalid]);
             }
         }
     });
-- 
2.30.2