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43 lines
1.5 KiB
43 lines
1.5 KiB
4 years ago
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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Peter Jones <pjones@redhat.com>
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Date: Tue, 30 May 2017 14:16:07 -0400
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Subject: [PATCH] Fix up linux params usage...
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Related: rhbz#1310763
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Signed-off-by: Peter Jones <pjones@redhat.com>
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---
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grub-core/loader/i386/linux.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/grub-core/loader/i386/linux.c b/grub-core/loader/i386/linux.c
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index e3906eb658f..656c75fd7e8 100644
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--- a/grub-core/loader/i386/linux.c
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+++ b/grub-core/loader/i386/linux.c
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@@ -680,6 +680,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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{
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grub_file_t file = 0;
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struct linux_kernel_header lh;
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+ grub_uint8_t *linux_params_ptr;
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grub_uint8_t setup_sects;
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grub_size_t real_size, prot_size, prot_file_size, kernel_offset;
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grub_ssize_t len;
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@@ -811,6 +812,7 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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preferred_address))
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goto fail;
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+
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grub_memset (&linux_params, 0, sizeof (linux_params));
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grub_memcpy (&linux_params.setup_sects, &lh.setup_sects, sizeof (lh) - 0x1F1);
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@@ -820,7 +822,8 @@ grub_cmd_linux (grub_command_t cmd __attribute__ ((unused)),
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len = sizeof (linux_params) - sizeof (lh);
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- grub_memcpy (&linux_params + sizeof (lh), kernel + kernel_offset, len);
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+ linux_params_ptr = (void *)&linux_params;
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+ grub_memcpy (linux_params_ptr + sizeof (lh), kernel + kernel_offset, len);
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kernel_offset += len;
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linux_params.type_of_loader = GRUB_LINUX_BOOT_LOADER_TYPE;
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