From: Thierry Reding <treding@xxxxxxxxxx>
Changes introduced in the upstream version of libfdt pulled in by commit
91feabc2e224 ("scripts/dtc: Update to upstream commit b06e55c88b9b") use
the strnlen() function, which isn't currently available to the EFI name-
space. Add it to the EFI namespace to avoid a linker error.
Cc: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Will Deacon <will.deacon@xxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
arch/arm64/kernel/image.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm64/kernel/image.h b/arch/arm64/kernel/image.h
index c9c62cab25a4..8a1978f4a555 100644
--- a/arch/arm64/kernel/image.h
+++ b/arch/arm64/kernel/image.h
@@ -96,6 +96,8 @@ __efistub_strcmp = KALLSYMS_HIDE(__pi_strcmp);
__efistub_strncmp = KALLSYMS_HIDE(__pi_strncmp);
__efistub___flush_dcache_area = KALLSYMS_HIDE(__pi___flush_dcache_area);
+__efistub_strnlen = KALLSYMS_HIDE(strnlen);
+
#ifdef CONFIG_KASAN
__efistub___memcpy = KALLSYMS_HIDE(__pi_memcpy);
__efistub___memmove = KALLSYMS_HIDE(__pi_memmove);
--
2.7.1
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