openwrtv3/target/linux/generic/patches-3.10/442-block2mtd_probe.patch

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--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -243,6 +243,7 @@ static int _open_bdev(struct block2mtd_d
/* We might not have rootfs mounted at this point. Try
to resolve the device name by other means. */
+ wait_for_device_probe();
devt = name_to_dev_t(dev->devname);
if (devt)
bdev = blkdev_get_by_dev(devt, mode, dev);