From: Namjae Jeon <linkinjeon@xxxxxxxxxx>
[ Upstream commit 8510a043d334ecdf83d4604782f288db6bf21d60 ]
Add missing increment reference count of parent fp in
ksmbd_lookup_fd_inode().
Signed-off-by: Namjae Jeon <linkinjeon@xxxxxxxxxx>
Reviewed-by: Hyunchul Lee <hyc.lee@xxxxxxxxx>
Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
fs/ksmbd/smb2pdu.c | 2 ++
fs/ksmbd/vfs_cache.c | 1 +
2 files changed, 3 insertions(+)
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 67e8e28e3fc3..a19a2b9c1e56 100644
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -5771,8 +5771,10 @@ static int set_rename_info(struct ksmbd_work *work, struct ksmbd_file *fp,
if (parent_fp) {
if (parent_fp->daccess & FILE_DELETE_LE) {
pr_err("parent dir is opened with delete access\n");
+ ksmbd_fd_put(work, parent_fp);
return -ESHARE;
}
+ ksmbd_fd_put(work, parent_fp);
}
next:
return smb2_rename(work, fp, user_ns, rename_info,
diff --git a/fs/ksmbd/vfs_cache.c b/fs/ksmbd/vfs_cache.c
index 29c1db66bd0f..8b873d92d785 100644
--- a/fs/ksmbd/vfs_cache.c
+++ b/fs/ksmbd/vfs_cache.c
@@ -497,6 +497,7 @@ struct ksmbd_file *ksmbd_lookup_fd_inode(struct inode *inode)
list_for_each_entry(lfp, &ci->m_fp_list, node) {
if (inode == file_inode(lfp->filp)) {
atomic_dec(&ci->m_count);
+ lfp = ksmbd_fp_get(lfp);
read_unlock(&ci->m_lock);
return lfp;
}
--
2.35.1
