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loader.efi: There are systems without ConOut, also use ConOutDev

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Conout does contian the default output device name.
ConOutDev does contain all possible output device names, so we can
use it as fallback, when there is no ConOut.

PR: 253253
This commit is contained in:
Toomas Soome 2021-02-04 22:49:02 +02:00
parent aa77662373
commit 2bd4ff2d89
1 changed files with 2 additions and 0 deletions
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2
stand/efi/loader/main.c
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@ -735,6 +735,8 @@ parse_uefi_con_out(void)
how = 0;
sz = sizeof(buf);
rv = efi_global_getenv("ConOut", buf, &sz);
if (rv != EFI_SUCCESS)
rv = efi_global_getenv("ConOutDev", buf, &sz);
if (rv != EFI_SUCCESS) {
/* If we don't have any ConOut default to serial */
how = RB_SERIAL;