mtd: nand: gpmi: Check for scan_bbt() error
mtd: nand: gpmi: Check for scan_bbt() error

In case of scan_bbt() failure, we should better propagate it.

Signed-off-by: Fabio Estevam <679188261afeb60eb822cd934fd7b46a48ddd743@freescale.com>
Acked-by: Huang Shijie <e95201b3dedc55fa134e790f35b68c6a0e799b94@intel.com>
Signed-off-by: Brian Norris <ac73eed4b8a8c9127255a2696c52b2e7503720b8@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs