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Merge pull request #559 from poettering/logind-osindications-missing

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logind: some firmware implementations remove OsIndications if it is u…
This commit is contained in:
Lennart Poettering
2015-07-11 19:32:58 -03:00
parent 6f9d58d87f 6b62bbbc7b
commit 08abe30e78
1 changed files with 13 additions and 1 deletions
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src/shared/efivars.c
+13 -1
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@@ -125,7 +125,19 @@ static int get_os_indications(uint64_t *os_indication) {
return r;
r = efi_get_variable(EFI_VENDOR_GLOBAL, "OsIndications", NULL, &v, &s);
if (r < 0)
if (r == -ENOENT) {
/* Some firmware implementations that do support
* OsIndications and report that with
* OsIndicationsSupported will remove the
* OsIndications variable when it is unset. Let's
* pretend it's 0 then, to hide this implementation
* detail. Note that this call will return -ENOENT
* then only if the support for OsIndications is
* missing entirely, as determined by
* efi_reboot_to_firmware_supported() above. */
*os_indication = 0;
return 0;
} else if (r < 0)
return r;
else if (s != sizeof(uint64_t))
return -EINVAL;