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Diffstat (limited to 'source/a/grub/grub.e75fdee420a7ad95e9a465c9699adc2e2e970440.terminate.efi.several.times.diff')
| -rw-r--r-- | source/a/grub/grub.e75fdee420a7ad95e9a465c9699adc2e2e970440.terminate.efi.several.times.diff | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/source/a/grub/grub.e75fdee420a7ad95e9a465c9699adc2e2e970440.terminate.efi.several.times.diff b/source/a/grub/grub.e75fdee420a7ad95e9a465c9699adc2e2e970440.terminate.efi.several.times.diff new file mode 100644 index 000000000..d45528488 --- /dev/null +++ b/source/a/grub/grub.e75fdee420a7ad95e9a465c9699adc2e2e970440.terminate.efi.several.times.diff @@ -0,0 +1,75 @@ +From e75fdee420a7ad95e9a465c9699adc2e2e970440 Mon Sep 17 00:00:00 2001 +From: Vladimir 'phcoder' Serbinenko <phcoder@gmail.com> +Date: Tue, 26 Mar 2013 10:34:56 +0000 +Subject: * grub-core/kern/efi/mm.c (grub_efi_finish_boot_services): + + Try terminating EFI services several times due to quirks in some + implementations. +--- +(limited to 'grub-core/kern/efi/mm.c') + +diff --git a/grub-core/kern/efi/mm.c b/grub-core/kern/efi/mm.c +index 351317b..77c9384 100644 +--- a/grub-core/kern/efi/mm.c ++++ b/grub-core/kern/efi/mm.c +@@ -160,27 +160,41 @@ grub_efi_finish_boot_services (grub_efi_uintn_t *outbuf_size, void *outbuf, + apple, sizeof (apple)) == 0); + #endif + +- if (grub_efi_get_memory_map (&finish_mmap_size, finish_mmap_buf, &finish_key, +- &finish_desc_size, &finish_desc_version) < 0) +- return grub_error (GRUB_ERR_IO, "couldn't retrieve memory map"); ++ while (1) ++ { ++ if (grub_efi_get_memory_map (&finish_mmap_size, finish_mmap_buf, &finish_key, ++ &finish_desc_size, &finish_desc_version) < 0) ++ return grub_error (GRUB_ERR_IO, "couldn't retrieve memory map"); + +- if (outbuf && *outbuf_size < finish_mmap_size) +- return grub_error (GRUB_ERR_IO, "memory map buffer is too small"); ++ if (outbuf && *outbuf_size < finish_mmap_size) ++ return grub_error (GRUB_ERR_IO, "memory map buffer is too small"); + +- finish_mmap_buf = grub_malloc (finish_mmap_size); +- if (!finish_mmap_buf) +- return grub_errno; ++ finish_mmap_buf = grub_malloc (finish_mmap_size); ++ if (!finish_mmap_buf) ++ return grub_errno; + +- if (grub_efi_get_memory_map (&finish_mmap_size, finish_mmap_buf, &finish_key, +- &finish_desc_size, &finish_desc_version) <= 0) +- return grub_error (GRUB_ERR_IO, "couldn't retrieve memory map"); ++ if (grub_efi_get_memory_map (&finish_mmap_size, finish_mmap_buf, &finish_key, ++ &finish_desc_size, &finish_desc_version) <= 0) ++ { ++ grub_free (finish_mmap_buf); ++ return grub_error (GRUB_ERR_IO, "couldn't retrieve memory map"); ++ } + +- b = grub_efi_system_table->boot_services; +- status = efi_call_2 (b->exit_boot_services, grub_efi_image_handle, +- finish_key); +- if (status != GRUB_EFI_SUCCESS) +- return grub_error (GRUB_ERR_IO, "couldn't terminate EFI services"); ++ b = grub_efi_system_table->boot_services; ++ status = efi_call_2 (b->exit_boot_services, grub_efi_image_handle, ++ finish_key); ++ if (status == GRUB_EFI_SUCCESS) ++ break; + ++ if (status != GRUB_EFI_INVALID_PARAMETER) ++ { ++ grub_free (finish_mmap_buf); ++ return grub_error (GRUB_ERR_IO, "couldn't terminate EFI services"); ++ } ++ ++ grub_free (finish_mmap_buf); ++ grub_printf ("Trying to terminate EFI services again\n"); ++ } + grub_efi_is_finished = 1; + if (outbuf_size) + *outbuf_size = finish_mmap_size; +-- +cgit v0.9.0.2 + |