s390/ipl: Fix error path on BIOS loading
commit 18674b2678
(elf-loader: add more return codes) enabled the elf loader to return
other errors than -1.
Lets also handle that case for our "BIOS" on s390.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
CC: Alexey Kardashevskiy <aik@ozlabs.ru>
CC: Alexander Graf <agraf@suse.de>
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@ -80,7 +80,7 @@ static int s390_ipl_init(SysBusDevice *dev)
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bios_size = load_elf(bios_filename, NULL, NULL, &ipl->start_addr, NULL,
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NULL, 1, ELF_MACHINE, 0);
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if (bios_size == -1) {
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if (bios_size < 0) {
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bios_size = load_image_targphys(bios_filename, ZIPL_IMAGE_START,
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4096);
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ipl->start_addr = ZIPL_IMAGE_START;
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