diff options
Diffstat (limited to 'fs/hfs/bfind.c')
| -rw-r--r-- | fs/hfs/bfind.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/hfs/bfind.c b/fs/hfs/bfind.c index f13f1494d4f..f8452a0eab5 100644 --- a/fs/hfs/bfind.c +++ b/fs/hfs/bfind.c @@ -52,6 +52,10 @@ int __hfs_brec_find(struct hfs_bnode *bnode, struct hfs_find_data *fd) rec = (e + b) / 2; len = hfs_brec_lenoff(bnode, rec, &off); keylen = hfs_brec_keylen(bnode, rec); + if (keylen == HFS_BAD_KEYLEN) { + res = -EINVAL; + goto done; + } hfs_bnode_read(bnode, fd->key, off, keylen); cmpval = bnode->tree->keycmp(fd->key, fd->search_key); if (!cmpval) { @@ -67,6 +71,10 @@ int __hfs_brec_find(struct hfs_bnode *bnode, struct hfs_find_data *fd) if (rec != e && e >= 0) { len = hfs_brec_lenoff(bnode, e, &off); keylen = hfs_brec_keylen(bnode, e); + if (keylen == HFS_BAD_KEYLEN) { + res = -EINVAL; + goto done; + } hfs_bnode_read(bnode, fd->key, off, keylen); } done: @@ -198,6 +206,10 @@ int hfs_brec_goto(struct hfs_find_data *fd, int cnt) len = hfs_brec_lenoff(bnode, fd->record, &off); keylen = hfs_brec_keylen(bnode, fd->record); + if (keylen == HFS_BAD_KEYLEN) { + res = -EINVAL; + goto out; + } fd->keyoffset = off; fd->keylength = keylen; fd->entryoffset = off + keylen; |