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38 lines
1.5 KiB
38 lines
1.5 KiB
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Javier Martinez Canillas <javierm@redhat.com>
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Date: Tue, 9 Apr 2019 12:30:38 +0200
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Subject: [PATCH] Fix systemctl kexec exit status check
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There's always an error printed even when the systemctl kexec command does
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succeed. That's because systemctl executes it asynchronously, but the emu
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loader seems to expect it to be synchronous and that should never return.
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Also, it's wrong to test if kexecute == 1 since we already know that's the
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case or otherwise the function wouldn't had called grub_fatal() earlier.
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Finally, systemctl kexec failing shouldn't be a fatal error since the emu
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loader fallbacks to executing the kexec command in case of a failure.
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Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
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---
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grub-core/loader/emu/linux.c | 6 ++++--
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1 file changed, 4 insertions(+), 2 deletions(-)
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diff --git a/grub-core/loader/emu/linux.c b/grub-core/loader/emu/linux.c
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index fda9e00d24c..5b85b225eed 100644
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--- a/grub-core/loader/emu/linux.c
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+++ b/grub-core/loader/emu/linux.c
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@@ -71,8 +71,10 @@ grub_linux_boot (void)
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(kexecute==1) ? "do-or-die" : "just-in-case");
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rc = grub_util_exec (systemctl);
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- if (kexecute == 1)
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- grub_fatal (N_("Error trying to perform 'systemctl kexec'"));
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+ if (rc == GRUB_ERR_NONE)
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+ return rc;
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+
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+ grub_error (rc, N_("Error trying to perform 'systemctl kexec'"));
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/* need to check read-only root before resetting hard!? */
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grub_printf("Performing 'kexec -e'");
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