[PATCH] qemuboot.bbclass: Fix QB_DEFAULT_KERNEL expansion

[Mark Hatle <mark.hatle@kernel.crashing.org>]

QB_DEFAULT_KERNEL was not being expanded unless INITRAMFS_LINK_NAME
was defined.  This only happens when building a kernel with an
integrated (bundled) initramfs.

Signed-off-by: Mark Hatle <mark.hatle@kernel.crashing.org>
---
 meta/classes-recipe/qemuboot.bbclass | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/meta/classes-recipe/qemuboot.bbclass b/meta/classes-recipe/qemuboot.bbclass
index 0f80c60..ee71a2f 100644
--- a/meta/classes-recipe/qemuboot.bbclass
+++ b/meta/classes-recipe/qemuboot.bbclass
@@ -96,6 +96,9 @@
 QB_MEM ?= "-m 256"
 QB_SMP ?= ""
 QB_SERIAL_OPT ?= "-serial mon:stdio -serial null"
+# Define INITRAMFS_LINK_NAME to ensure that QB_DEFAULT_KERNEL expands,
+# even when INITRAMFS_LINK_NAME would not otherwise be defined.
+INITRAMFS_LINK_NAME ??= ""
 QB_DEFAULT_KERNEL ?= "${@bb.utils.contains("INITRAMFS_IMAGE_BUNDLE", "1", "${KERNEL_IMAGETYPE}-${INITRAMFS_LINK_NAME}.bin", "${KERNEL_IMAGETYPE}", d)}"
 QB_DEFAULT_FSTYPE ?= "ext4"
 QB_RNG ?= "-object rng-random,filename=/dev/urandom,id=rng0 -device virtio-rng-pci,rng=rng0"
-- 
1.8.3.1