This function doesn't use uclass_find_first_device() correctly. Add a check that the device is found so we don't try to read properties from a NULL device.
The fixes booting on minnoxmax.
Fixes: 87f1084a630 ("x86: Adjust mrccache_get_region() to use livetree")
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/x86/lib/mrccache.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/x86/lib/mrccache.c b/arch/x86/lib/mrccache.c index b9420a4cab..288673b0ea 100644 --- a/arch/x86/lib/mrccache.c +++ b/arch/x86/lib/mrccache.c @@ -240,6 +240,8 @@ int mrccache_get_region(enum mrc_type_t type, struct udevice **devp, * memory map cannot be read. */ ret = uclass_find_first_device(UCLASS_SPI_FLASH, &dev); + if (!ret && !dev) + ret = -ENODEV; if (ret) return log_msg_ret("Cannot find SPI flash\n", ret); ret = dm_spi_get_mmap(dev, &map_base, &map_size, &offset);