Reviewed-by: Ronnie Sahlberg <lsahlber@xxxxxxxxxx> On Wed, Dec 9, 2020 at 1:22 PM Steve French <smfrench@xxxxxxxxx> wrote: > > Mounts to Azure cause an unneeded warning message in dmesg > "CIFS: VFS: parse_server_interfaces: incomplete interface info" > > Azure rounds up the size (by 8 additional bytes, to a > 16 byte boundary) of the structure returned on the query > of the server interfaces at mount time. This is permissible > even though different than other servers so do not log a warning > if query network interfaces response is only rounded up by 8 > bytes or fewer. > > CC: Stable <stable@xxxxxxxxxxxxxxx> > Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> > --- > fs/cifs/smb2ops.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c > index 3d914d7d0d11..22f1d8dc12b0 100644 > --- a/fs/cifs/smb2ops.c > +++ b/fs/cifs/smb2ops.c > @@ -477,7 +477,8 @@ parse_server_interfaces(struct > network_interface_info_ioctl_rsp *buf, > goto out; > } > > - if (bytes_left || p->Next) > + /* Azure rounds the buffer size up 8, to a 16 byte boundary */ > + if ((bytes_left > 8) || p->Next) > cifs_dbg(VFS, "%s: incomplete interface info\n", __func__); > > > -- > Thanks, > > Steve
