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arm64: kexec_file: return successfully even if kaslr-seed doesn't exist 

In kexec_file_load, kaslr-seed property of the current dtb will be deleted
any way before setting a new value if possible. It doesn't matter whether
it exists in the current dtb.

So "ret" should be reset to 0 here.

Fixes: commit 884143f60c ("arm64: kexec_file: add kaslr support")
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
AKASHI Takahiro 2019-01-11 16:40:21 +09:00 committed by Will Deacon
parent c7777236dd
commit 279667212a
1 changed files with 3 additions and 1 deletions
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4
arch/arm64/kernel/machine_kexec_file.c
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@ -87,7 +87,9 @@ static int setup_dtb(struct kimage *image,
/* add kaslr-seed */
ret = fdt_delprop(dtb, off, FDT_PROP_KASLR_SEED);
if (ret && (ret != -FDT_ERR_NOTFOUND))
if (ret == -FDT_ERR_NOTFOUND)
ret = 0;
else if (ret)
goto out;
if (rng_is_initialized()) {