Commits
Bin Meng committed 439fcb9b4f7
sf: Fix NULL pointer exception for flashes without lock methods commit c3c016c "sf: Add SPI NOR protection mechanism" introduced flash_lock()/flash_unlock()/flash_is_locked() methods for SPI flash, but not every flash driver supplies these. We should test these methods against NULL before actually calling them. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Fabio Estevam <fabio.estevam@freescale.com> Reviewed-by: Jagan Teki <jteki@openedev.com>