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| author | Jeff Garzik <jeff@garzik.org> | 2006-08-03 23:20:37 +0200 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-08-03 23:20:37 +0200 |
| commit | 23946a8a980d13af7b84bcf3ce023e0d166ec83f (patch) | |
| tree | 193d2959a7b62b48aaf2236447f1378779e55104 /fs/ext3/namei.c | |
| parent | Merge branch 'master' into upstream (diff) | |
| parent | Merge branch 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/gi... (diff) | |
| download | linux-23946a8a980d13af7b84bcf3ce023e0d166ec83f.tar.xz linux-23946a8a980d13af7b84bcf3ce023e0d166ec83f.zip | |
Merge branch 'upstream-fixes' into upstream
Diffstat (limited to 'fs/ext3/namei.c')
| -rw-r--r-- | fs/ext3/namei.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index d9176dba3698..2aa7101b27cd 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -1000,7 +1000,12 @@ static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, str if (bh) { unsigned long ino = le32_to_cpu(de->inode); brelse (bh); - inode = iget(dir->i_sb, ino); + if (!ext3_valid_inum(dir->i_sb, ino)) { + ext3_error(dir->i_sb, "ext3_lookup", + "bad inode number: %lu", ino); + inode = NULL; + } else + inode = iget(dir->i_sb, ino); if (!inode) return ERR_PTR(-EACCES); @@ -1028,7 +1033,13 @@ struct dentry *ext3_get_parent(struct dentry *child) return ERR_PTR(-ENOENT); ino = le32_to_cpu(de->inode); brelse(bh); - inode = iget(child->d_inode->i_sb, ino); + + if (!ext3_valid_inum(child->d_inode->i_sb, ino)) { + ext3_error(child->d_inode->i_sb, "ext3_get_parent", + "bad inode number: %lu", ino); + inode = NULL; + } else + inode = iget(child->d_inode->i_sb, ino); if (!inode) return ERR_PTR(-EACCES); |