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ksmbd: fix rename failure

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I found that rename fails after cifs mount due to update of
lookup_one_qstr_excl().

 mv a/c b/
mv: cannot move 'a/c' to 'b/c': No such file or directory

In order to rename to a new name regardless of whether the dentry is
negative, we need to get the dentry through lookup_one_qstr_excl().
So It will not return error if the name doesn't exist.

Fixes: 204a575e91 ("VFS: add common error checks to lookup_one_qstr_excl()")
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon 2025-05-21 17:07:36 +09:00 committed by Steve French
parent 1f4bbedd4e
commit 68477b5dc5
1 changed files with 1 additions and 1 deletions
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2
fs/smb/server/vfs.c
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@ -682,7 +682,7 @@ int ksmbd_vfs_rename(struct ksmbd_work *work, const struct path *old_path,
struct ksmbd_file *parent_fp;
int new_type;
int err, lookup_flags = LOOKUP_NO_SYMLINKS;
int target_lookup_flags = LOOKUP_RENAME_TARGET;
int target_lookup_flags = LOOKUP_RENAME_TARGET | LOOKUP_CREATE;
if (ksmbd_override_fsids(work))
return -ENOMEM;