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| author | Al Viro <viro@zeniv.linux.org.uk> | 2018-06-23 20:33:59 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2018-06-30 09:43:45 -0400 |
| commit | e876c445df4009d7b1ebdd2a92ca23566ca05440 (patch) | |
| tree | f6095302e4657e05350bed67935dc18ee8a4adf4 /fs/hpfs | |
| parent | ce397d215ccd07b8ae3f71db689aedb85d56ab40 (diff) | |
| download | linux-rpi3-e876c445df4009d7b1ebdd2a92ca23566ca05440.tar.gz linux-rpi3-e876c445df4009d7b1ebdd2a92ca23566ca05440.tar.bz2 linux-rpi3-e876c445df4009d7b1ebdd2a92ca23566ca05440.zip | |
hpfs: fix an inode leak in lookup, switch to d_splice_alias()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/hpfs')
| -rw-r--r-- | fs/hpfs/dir.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/fs/hpfs/dir.c b/fs/hpfs/dir.c index c83ece7facc5..d85230c84ef2 100644 --- a/fs/hpfs/dir.c +++ b/fs/hpfs/dir.c @@ -244,6 +244,7 @@ struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, unsigned in result = iget_locked(dir->i_sb, ino); if (!result) { hpfs_error(dir->i_sb, "hpfs_lookup: can't get inode"); + result = ERR_PTR(-ENOMEM); goto bail1; } if (result->i_state & I_NEW) { @@ -266,6 +267,8 @@ struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, unsigned in if (de->has_acl || de->has_xtd_perm) if (!sb_rdonly(dir->i_sb)) { hpfs_error(result->i_sb, "ACLs or XPERM found. This is probably HPFS386. This driver doesn't support it now. Send me some info on these structures"); + iput(result); + result = ERR_PTR(-EINVAL); goto bail1; } @@ -301,29 +304,17 @@ struct dentry *hpfs_lookup(struct inode *dir, struct dentry *dentry, unsigned in } } +bail1: hpfs_brelse4(&qbh); /* * Made it. */ - end: - end_add: +end: +end_add: hpfs_unlock(dir->i_sb); - d_add(dentry, result); - return NULL; - - /* - * Didn't. - */ - bail1: - - hpfs_brelse4(&qbh); - - /*bail:*/ - - hpfs_unlock(dir->i_sb); - return ERR_PTR(-ENOENT); + return d_splice_alias(result, dentry); } const struct file_operations hpfs_dir_ops = |