merged into cifs-2.6.git for-next to address the issue Dan pointed out.
On Tue, Dec 15, 2020 at 4:51 PM Ronnie Sahlberg <lsahlber@xxxxxxxxxx> wrote:
>
> Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
> ---
> fs/cifs/cifsfs.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
> index 4c385eeecc05..2c6e54fa6429 100644
> --- a/fs/cifs/cifsfs.c
> +++ b/fs/cifs/cifsfs.c
> @@ -836,12 +836,14 @@ cifs_smb3_do_mount(struct file_system_type *fs_type,
> if (IS_ERR(sb)) {
> root = ERR_CAST(sb);
> cifs_umount(cifs_sb);
> + cifs_sb = NULL;
> goto out;
> }
>
> if (sb->s_root) {
> cifs_dbg(FYI, "Use existing superblock\n");
> cifs_umount(cifs_sb);
> + cifs_sb = NULL;
> } else {
> rc = cifs_read_super(sb);
> if (rc) {
> @@ -852,7 +854,7 @@ cifs_smb3_do_mount(struct file_system_type *fs_type,
> sb->s_flags |= SB_ACTIVE;
> }
>
> - root = cifs_get_root(cifs_sb->ctx, sb);
> + root = cifs_get_root(cifs_sb ? cifs_sb->ctx : old_ctx, sb);
> if (IS_ERR(root))
> goto out_super;
>
> --
> 2.13.6
>
--
Thanks,
Steve
