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>
---
Changes in v2:
- mark strnlen() position independent and refer to __pi_strnlen
arch/arm64/kernel/image.h | 1 +
arch/arm64/lib/strnlen.S | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/image.h b/arch/arm64/kernel/image.h
index 999633bd7294..352f7abd91c9 100644
--- a/arch/arm64/kernel/image.h
+++ b/arch/arm64/kernel/image.h
@@ -89,6 +89,7 @@ __efistub_memcpy = KALLSYMS_HIDE(__pi_memcpy);
__efistub_memmove = KALLSYMS_HIDE(__pi_memmove);
__efistub_memset = KALLSYMS_HIDE(__pi_memset);
__efistub_strlen = KALLSYMS_HIDE(__pi_strlen);
+__efistub_strnlen = KALLSYMS_HIDE(__pi_strnlen);
__efistub_strcmp = KALLSYMS_HIDE(__pi_strcmp);
__efistub_strncmp = KALLSYMS_HIDE(__pi_strncmp);
__efistub___flush_dcache_area = KALLSYMS_HIDE(__pi___flush_dcache_area);
diff --git a/arch/arm64/lib/strnlen.S b/arch/arm64/lib/strnlen.S
index 2ca665711bf2..eae38da6e0bb 100644
--- a/arch/arm64/lib/strnlen.S
+++ b/arch/arm64/lib/strnlen.S
@@ -168,4 +168,4 @@ CPU_LE( lsr tmp2, tmp2, tmp4 ) /* Shift (tmp1 & 63). */
.Lhit_limit:
mov len, limit
ret
-ENDPROC(strnlen)
+ENDPIPROC(strnlen)
--
2.7.1
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