VfsJffs2Lookup中VfsHashGet获取的vnode未判断data字段的有效性

2021-04-09 19:30:40 +08:00 · 2021-04-09 19:30:40 +08:00 · 78a6bd9416
parent cd9c1d9789
commit 78a6bd9416
1 changed files with 3 additions and 0 deletions
--- a/fs/jffs2/src/vfs_jffs2.c
+++ b/fs/jffs2/src/vfs_jffs2.c
@ -202,6 +202,9 @@ int VfsJffs2Lookup(struct Vnode *parentVnode, const char *path, int len, struct
        (void)VfsHashGet(parentVnode->originMount, node->i_ino, &newVnode, NULL, NULL);
        LOS_MuxUnlock(&g_jffs2FsLock);
        if (newVnode) {
+            if (newVnode->data == NULL) {
+                LOS_Panic("#####VfsHashGet error#####\n");
+            }
            *ppVnode = newVnode;
            return 0;
        }