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Commit bf06cf2095e1 ("kexec/uImage: probe to identify a corrupted image"),
defined the 'uImage_probe_kernel()' function return values and
correspondingly ;uImage_arm64_probe()' returns the same (0 -> If the
image is valid 'type' image, -1 -> If the image is corrupted and
1 -> If the image is not a uImage).
This causes issues because, in later patches we introduce zImage
support for arm64, and since it is probed after uImage, the return
values from 'uImage_arm64_probe()' needs to be fixed to make sure
that kexec will not return with an invalid error code.
Now, 'uImage_arm64_probe()' returns the following values instead:
0 - valid uImage.
-1 - uImage is corrupted.
1 - image is not a uImage.
Signed-off-by: Bhupesh Sharma <bhsharma@redhat.com>
Signed-off-by: Simon Horman <horms@verge.net.au>
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