From: Ulf Winkelvos <[email protected]>

Hopefully this will enable us to better debug:
https://bugzilla.kernel.org/show_bug.cgi?id=68761

Signed-off-by: Ulf Winkelvos <[email protected]>
---
 arch/x86/boot/compressed/eboot.c | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/arch/x86/boot/compressed/eboot.c b/arch/x86/boot/compressed/eboot.c
index 3b5c66c..f277184 100644
--- a/arch/x86/boot/compressed/eboot.c
+++ b/arch/x86/boot/compressed/eboot.c
@@ -1376,7 +1376,10 @@ struct boot_params *efi_main(struct efi_config *c,

        setup_graphics(boot_params);

-       setup_efi_pci(boot_params);
+       status = setup_efi_pci(boot_params);
+       if (status != EFI_SUCCESS) {
+               efi_printk(sys_table, "setup_efi_pci() failed!\n");
+       }

        status = efi_call_early(allocate_pool, EFI_LOADER_DATA,
                                sizeof(*gdt), (void **)&gdt);
@@ -1403,16 +1406,20 @@ struct boot_params *efi_main(struct efi_config *c,
                                             hdr->init_size, hdr->init_size,
                                             hdr->pref_address,
                                             hdr->kernel_alignment);
-               if (status != EFI_SUCCESS)
+               if (status != EFI_SUCCESS) {
+                       efi_printk(sys_table, "efi_relocate_kernel() 
failed!\n");
                        goto fail;
+               }

                hdr->pref_address = hdr->code32_start;
                hdr->code32_start = bzimage_addr;
        }

        status = exit_boot(boot_params, handle, is64);
-       if (status != EFI_SUCCESS)
+       if (status != EFI_SUCCESS) {
+               efi_printk(sys_table, "exit_boot() failed!\n");
                goto fail;
+       }

        memset((char *)gdt->address, 0x0, gdt->size);
        desc = (struct desc_struct *)gdt->address;
@@ -1472,5 +1479,6 @@ struct boot_params *efi_main(struct efi_config *c,

        return boot_params;
 fail:
+       efi_printk(sys_table, "efi_main() failed!\n");
        return NULL;
 }
--
2.0.1
--
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