[PATCH 1/1] arm: do not copy magic 4 bytes of appended DTB in zImage

[Russell King - ARM Linux admin]

On Thu, Apr 08, 2021 at 10:06:44PM +0200, Alexander Egorenkov wrote:
> If the passed zImage happens to have a DTB appended, then the magic 4 bytes
> of the DTB are copied together with the kernel image. This leads to
> failed kexec boots because the decompressor finds the aforementioned
> DTB magic and falsely tries to replace the DTB passed in the register r2
> with the non-existent appended one.
> 
> Signed-off-by: Alexander Egorenkov <egorenar-dev at posteo.net>

This looks correct, but I would like a comment before the assignment
of kernel_buf_size to explain that this is the size of the compressed
kernel image excluding any appended DTB.

Thanks.

-- 
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