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efibootmgr: fix potential endless loop with -v
I observed the problem on a system with fairly old and, apparently, buggy EFI implementation. A list of boot devices had an invalid trailing entry. efidp_size() for that entry returned zero, which means that the code got stuck looping on that entry.
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@ -790,6 +790,8 @@ print_loadopt_str(uint8_t *data, size_t datalen)
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*/
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indent = 1;
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while (dp < edp) {
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if (efidp_size(dp) == 0)
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break;
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efidp_format_device_path(buf, sizeof(buf), dp,
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(intptr_t)(void *)edp - (intptr_t)(void *)dp);
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printf("%*s%s\n", indent, "", buf);
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