40 lines
1.2 KiB
Diff
40 lines
1.2 KiB
Diff
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From: Raymund Will <rw@suse.com>
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Subject: Use device part of chainloader target, if present.
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References: bnc#871857, bnc#880177
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Patch-Mainline: no
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Otherwise chainloading is restricted to '$root', which might not even
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be readable by EFI!
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v1. use grub_file_get_device_name() to get device name
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Signed-off-by: Michael Chang <mchang@suse.com>
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---
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grub-core/loader/efi/chainloader.c | 17 ++++++++++++++++-
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1 file changed, 16 insertions(+), 1 deletion(-)
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Index: grub-2.02~beta2/grub-core/loader/efi/chainloader.c
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===================================================================
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--- grub-2.02~beta2.orig/grub-core/loader/efi/chainloader.c
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+++ grub-2.02~beta2/grub-core/loader/efi/chainloader.c
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@@ -706,12 +706,16 @@ grub_cmd_chainloader (grub_command_t cmd
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*(--p16) = 0;
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}
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+ grub_dprintf ("chain", "cmd='%s'\n", filename);
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file = grub_file_open (filename);
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if (! file)
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goto fail;
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- /* Get the root device's device path. */
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- dev = grub_device_open (0);
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+ /* Get the device path from filename. */
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+ char *devname = grub_file_get_device_name (filename);
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+ dev = grub_device_open (devname);
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+ if (devname)
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+ grub_free (devname);
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if (! dev)
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goto fail;
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