xnu-1228.7.58.tar.gz

[apple/xnu.git] / bsd / vfs / vfs_cache.c

diff --git a/bsd/vfs/vfs_cache.c b/bsd/vfs/vfs_cache.c
index c4e93ab8e4742db543f2d0f298c94792b4c2b958..95a07d69a423819838815ab80388c1a8f0ecafd9 100644 (file)
--- a/bsd/vfs/vfs_cache.c
+++ b/bsd/vfs/vfs_cache.c
@@ -303,33 +303,31 @@ again:
                        }
                        /* Ask the file system for its parent id and for its name (optional). */
                        ret = vnode_getattr(vp, &va, ctx);
+
                        if (fixhardlink) {
-                               if (vp->v_name || VATTR_IS_SUPPORTED(&va, va_name)) {
-                                       if (ret == 0) {
-                                               str = va.va_name;
-                                       } else if (vp->v_name) {
-                                               str = vp->v_name;
-                                               ret = 0;
-                                       } else {
-                                               ret = ENOENT;
-                                               goto bad_news;
-                                       }
+                               if ((ret == 0) && (VATTR_IS_SUPPORTED(&va, va_name))) {
+                                       str = va.va_name;
+                               } else if (vp->v_name) {
+                                       str = vp->v_name;
+                                       ret = 0;
+                               } else {
+                                       ret = ENOENT;
+                                       goto bad_news;
+                               }
+                               len = strlen(str);
 
-                                       len = strlen(str);
-
-                                       /* Check that there's enough space. */
-                                       if ((end - buff) < (len + 1)) {
-                                               ret = ENOSPC;
-                                       } else {
-                                               /* Copy the name backwards. */
-                                               str += len;
-                               
-                                               for (; len > 0; len--) {
-                                                      *--end = *--str;
-                                               }
-                                               /* Add a path separator. */
-                                               *--end = '/';
+                               /* Check that there's enough space. */
+                               if ((end - buff) < (len + 1)) {
+                                       ret = ENOSPC;
+                               } else {
+                                       /* Copy the name backwards. */
+                                       str += len;
+                                       
+                                       for (; len > 0; len--) {
+                                               *--end = *--str;
                                        }
+                                       /* Add a path separator. */
+                                       *--end = '/';
                                }
                          bad_news:
                                FREE_ZONE(va.va_name, MAXPATHLEN, M_NAMEI);
@@ -1644,7 +1642,7 @@ cache_purge(vnode_t vp)
         struct namecache *ncp;
        kauth_cred_t tcred = NULL;
 
-       if ((LIST_FIRST(&vp->v_nclinks) == NULL) && (LIST_FIRST(&vp->v_ncchildren) == NULL))
+       if ((LIST_FIRST(&vp->v_nclinks) == NULL) && (LIST_FIRST(&vp->v_ncchildren) == NULL) && (vp->v_cred == NOCRED))
                return;
 
        NAME_CACHE_LOCK();