From 22b474d62ab256dda084737fe608f1c9411c3dae Mon Sep 17 00:00:00 2001 From: Vladimir 'phcoder' Serbinenko Date: Tue, 26 Mar 2013 11:34:56 +0100 Subject: [PATCH 237/482] * grub-core/kern/efi/mm.c (grub_efi_finish_boot_services): Try terminating EFI services several times due to quirks in some implementations. --- ChangeLog | 6 ++++++ grub-core/kern/efi/mm.c | 46 ++++++++++++++++++++++++++++++---------------- 2 files changed, 36 insertions(+), 16 deletions(-) diff --git a/ChangeLog b/ChangeLog index 07a69bc..58c2242 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,9 @@ +2013-03-26 Vladimir Serbinenko + + * grub-core/kern/efi/mm.c (grub_efi_finish_boot_services): + Try terminating EFI services several times due to quirks in some + implementations. + 2013-03-26 Colin Watson * grub-core/commands/acpihalt.c (skip_ext_op): Add support for 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; -- 1.8.2.1