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-rw-r--r--fs/ubifs/tnc.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/ubifs/tnc.c b/fs/ubifs/tnc.c
index 2194915220e5..ad9cf0133622 100644
--- a/fs/ubifs/tnc.c
+++ b/fs/ubifs/tnc.c
@@ -1177,6 +1177,7 @@ int ubifs_lookup_level0(struct ubifs_info *c, const union ubifs_key *key,
unsigned long time = get_seconds();
dbg_tnc("search key %s", DBGKEY(key));
+ ubifs_assert(key_type(c, key) < UBIFS_INVALID_KEY);
znode = c->zroot.znode;
if (unlikely(!znode)) {
@@ -2966,7 +2967,7 @@ static struct ubifs_znode *right_znode(struct ubifs_info *c,
*
* This function searches an indexing node by its first key @key and its
* address @lnum:@offs. It looks up the indexing tree by pulling all indexing
- * nodes it traverses to TNC. This function is called fro indexing nodes which
+ * nodes it traverses to TNC. This function is called for indexing nodes which
* were found on the media by scanning, for example when garbage-collecting or
* when doing in-the-gaps commit. This means that the indexing node which is
* looked for does not have to have exactly the same leftmost key @key, because
@@ -2988,6 +2989,8 @@ static struct ubifs_znode *lookup_znode(struct ubifs_info *c,
struct ubifs_znode *znode, *zn;
int n, nn;
+ ubifs_assert(key_type(c, key) < UBIFS_INVALID_KEY);
+
/*
* The arguments have probably been read off flash, so don't assume
* they are valid.