merged into cifs-2.6.git for-next
On Wed, Sep 2, 2020 at 7:02 PM Ronnie Sahlberg <lsahlber@xxxxxxxxxx> wrote:
>
> RHBZ: 1871246
>
> If during cifs_lookup()/get_inode_info() we encounter a DFS link
> and we use the cifsacl or modefromsid mount options we must suppress
> any -EREMOTE errors that triggers or else we will not be able to follow
> the DFS link and automount the target.
>
> This fixes an issue with modefromsid/cifsacl where these mountoptions woul
> break DFS and we would no longer be able to access the share.
>
> Signed-off-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx>
> ---
> fs/cifs/inode.c | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
> index 3989d08396ac..1f75b25e559a 100644
> --- a/fs/cifs/inode.c
> +++ b/fs/cifs/inode.c
> @@ -1017,6 +1017,8 @@ cifs_get_inode_info(struct inode **inode,
> if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_MODE_FROM_SID) {
> rc = cifs_acl_to_fattr(cifs_sb, &fattr, *inode, true,
> full_path, fid);
> + if (rc == -EREMOTE)
> + rc = 0;
> if (rc) {
> cifs_dbg(FYI, "%s: Get mode from SID failed. rc=%d\n",
> __func__, rc);
> @@ -1025,6 +1027,8 @@ cifs_get_inode_info(struct inode **inode,
> } else if (cifs_sb->mnt_cifs_flags & CIFS_MOUNT_CIFS_ACL) {
> rc = cifs_acl_to_fattr(cifs_sb, &fattr, *inode, false,
> full_path, fid);
> + if (rc == -EREMOTE)
> + rc = 0;
> if (rc) {
> cifs_dbg(FYI, "%s: Getting ACL failed with error: %d\n",
> __func__, rc);
> --
> 2.13.6
>
--
Thanks,
Steve
