ksmbd: fix oops from fuse driver

[platform/kernel/linux-starfive.git] / fs / ksmbd / smb2pdu.c

diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c
index 721b9a8..005aa93 100644 (file)
--- a/fs/ksmbd/smb2pdu.c
+++ b/fs/ksmbd/smb2pdu.c
@@ -5483,7 +5483,6 @@ static int set_file_basic_info(struct ksmbd_file *fp,
                               struct ksmbd_share_config *share)
 {
        struct iattr attrs;
-       struct timespec64 ctime;
        struct file *filp;
        struct inode *inode;
        struct user_namespace *user_ns;
@@ -5505,13 +5504,11 @@ static int set_file_basic_info(struct ksmbd_file *fp,
                attrs.ia_valid |= (ATTR_ATIME | ATTR_ATIME_SET);
        }
 
-       if (file_info->ChangeTime) {
+       attrs.ia_valid |= ATTR_CTIME;
+       if (file_info->ChangeTime)
                attrs.ia_ctime = ksmbd_NTtimeToUnix(file_info->ChangeTime);
-               ctime = attrs.ia_ctime;
-               attrs.ia_valid |= ATTR_CTIME;
-       } else {
-               ctime = inode->i_ctime;
-       }
+       else
+               attrs.ia_ctime = inode->i_ctime;
 
        if (file_info->LastWriteTime) {
                attrs.ia_mtime = ksmbd_NTtimeToUnix(file_info->LastWriteTime);
@@ -5557,11 +5554,9 @@ static int set_file_basic_info(struct ksmbd_file *fp,
                        return -EACCES;
 
                inode_lock(inode);
+               inode->i_ctime = attrs.ia_ctime;
+               attrs.ia_valid &= ~ATTR_CTIME;
                rc = notify_change(user_ns, dentry, &attrs, NULL);
-               if (!rc) {
-                       inode->i_ctime = ctime;
-                       mark_inode_dirty(inode);
-               }
                inode_unlock(inode);
        }
        return rc;