When printing '%pD' with a value of NULL we want to output '<NULL>'. But this requires copying to buf. Leave this to string16. A unit test is supplied which relies on EFI support in the sandbox. The development for EFI support in the sandbox is currently in branch u-boot-dm/efi-working. The branch lacks commitmaster6ea8b580f0
("efi_loader: correct DeviceNodeToText for media types"). Ater rebasing the aforementioned branch on U-Boot v2018.01 and adding256060e425
and this patch the test is executed successfully. Fixes:256060e425
(vsprintf.c: add EFI device path printing) Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de> Signed-off-by: Alexander Graf <agraf@suse.de>
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56672bf52e
commit
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