diff options
Diffstat (limited to 'gnu/packages/patches/grub-check-error-efibootmgr.patch')
| -rw-r--r-- | gnu/packages/patches/grub-check-error-efibootmgr.patch | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/gnu/packages/patches/grub-check-error-efibootmgr.patch b/gnu/packages/patches/grub-check-error-efibootmgr.patch new file mode 100644 index 0000000000..b2fd160c9a --- /dev/null +++ b/gnu/packages/patches/grub-check-error-efibootmgr.patch @@ -0,0 +1,176 @@ +Without this patch, GRUB may proceed to wipe all firmware boot entries +and report a successful installation, even if efibootmgr hit an error. + +Origin URL: +https://git.sv.gnu.org/cgit/grub.git/commit/?id=6400613ad0b463abc93362086a491cd2a5e99b0d + +From 6400613ad0b463abc93362086a491cd2a5e99b0d Mon Sep 17 00:00:00 2001 +From: Steve McIntyre <steve@einval.com> +Date: Wed, 31 Jan 2018 21:49:36 +0000 +Subject: Make grub-install check for errors from efibootmgr + +Code is currently ignoring errors from efibootmgr, giving users +clearly bogus output like: + + Setting up grub-efi-amd64 (2.02~beta3-4) ... + Installing for x86_64-efi platform. + Could not delete variable: No space left on device + Could not prepare Boot variable: No space left on device + Installation finished. No error reported. + +and then potentially unbootable systems. If efibootmgr fails, grub-install +should know that and report it! + +We've been using similar patch in Debian now for some time, with no ill effects. + +diff --git a/grub-core/osdep/unix/platform.c b/grub-core/osdep/unix/platform.c +index a3fcfca..ca448bc 100644 +--- a/grub-core/osdep/unix/platform.c ++++ b/grub-core/osdep/unix/platform.c +@@ -78,19 +78,20 @@ get_ofpathname (const char *dev) + dev); + } + +-static void ++static int + grub_install_remove_efi_entries_by_distributor (const char *efi_distributor) + { + int fd; + pid_t pid = grub_util_exec_pipe ((const char * []){ "efibootmgr", NULL }, &fd); + char *line = NULL; + size_t len = 0; ++ int rc; + + if (!pid) + { + grub_util_warn (_("Unable to open stream from %s: %s"), + "efibootmgr", strerror (errno)); +- return; ++ return errno; + } + + FILE *fp = fdopen (fd, "r"); +@@ -98,7 +99,7 @@ grub_install_remove_efi_entries_by_distributor (const char *efi_distributor) + { + grub_util_warn (_("Unable to open stream from %s: %s"), + "efibootmgr", strerror (errno)); +- return; ++ return errno; + } + + line = xmalloc (80); +@@ -119,23 +120,25 @@ grub_install_remove_efi_entries_by_distributor (const char *efi_distributor) + bootnum = line + sizeof ("Boot") - 1; + bootnum[4] = '\0'; + if (!verbosity) +- grub_util_exec ((const char * []){ "efibootmgr", "-q", ++ rc = grub_util_exec ((const char * []){ "efibootmgr", "-q", + "-b", bootnum, "-B", NULL }); + else +- grub_util_exec ((const char * []){ "efibootmgr", ++ rc = grub_util_exec ((const char * []){ "efibootmgr", + "-b", bootnum, "-B", NULL }); + } + + free (line); ++ return rc; + } + +-void ++int + grub_install_register_efi (grub_device_t efidir_grub_dev, + const char *efifile_path, + const char *efi_distributor) + { + const char * efidir_disk; + int efidir_part; ++ int ret; + efidir_disk = grub_util_biosdisk_get_osdev (efidir_grub_dev->disk); + efidir_part = efidir_grub_dev->disk->partition ? efidir_grub_dev->disk->partition->number + 1 : 1; + +@@ -151,23 +154,26 @@ grub_install_register_efi (grub_device_t efidir_grub_dev, + grub_util_exec ((const char * []){ "modprobe", "-q", "efivars", NULL }); + #endif + /* Delete old entries from the same distributor. */ +- grub_install_remove_efi_entries_by_distributor (efi_distributor); ++ ret = grub_install_remove_efi_entries_by_distributor (efi_distributor); ++ if (ret) ++ return ret; + + char *efidir_part_str = xasprintf ("%d", efidir_part); + + if (!verbosity) +- grub_util_exec ((const char * []){ "efibootmgr", "-q", ++ ret = grub_util_exec ((const char * []){ "efibootmgr", "-q", + "-c", "-d", efidir_disk, + "-p", efidir_part_str, "-w", + "-L", efi_distributor, "-l", + efifile_path, NULL }); + else +- grub_util_exec ((const char * []){ "efibootmgr", ++ ret = grub_util_exec ((const char * []){ "efibootmgr", + "-c", "-d", efidir_disk, + "-p", efidir_part_str, "-w", + "-L", efi_distributor, "-l", + efifile_path, NULL }); + free (efidir_part_str); ++ return ret; + } + + void +diff --git a/include/grub/util/install.h b/include/grub/util/install.h +index 5910b0c..0dba8b6 100644 +--- a/include/grub/util/install.h ++++ b/include/grub/util/install.h +@@ -210,7 +210,7 @@ grub_install_create_envblk_file (const char *name); + const char * + grub_install_get_default_x86_platform (void); + +-void ++int + grub_install_register_efi (grub_device_t efidir_grub_dev, + const char *efifile_path, + const char *efi_distributor); +diff --git a/util/grub-install.c b/util/grub-install.c +index 5e4cdfd..690f180 100644 +--- a/util/grub-install.c ++++ b/util/grub-install.c +@@ -1848,9 +1848,13 @@ main (int argc, char *argv[]) + if (!removable && update_nvram) + { + /* Try to make this image bootable using the EFI Boot Manager, if available. */ +- grub_install_register_efi (efidir_grub_dev, +- "\\System\\Library\\CoreServices", +- efi_distributor); ++ int ret; ++ ret = grub_install_register_efi (efidir_grub_dev, ++ "\\System\\Library\\CoreServices", ++ efi_distributor); ++ if (ret) ++ grub_util_error (_("efibootmgr failed to register the boot entry: %s"), ++ strerror (ret)); + } + + grub_device_close (ins_dev); +@@ -1871,6 +1875,7 @@ main (int argc, char *argv[]) + { + char * efifile_path; + char * part; ++ int ret; + + /* Try to make this image bootable using the EFI Boot Manager, if available. */ + if (!efi_distributor || efi_distributor[0] == '\0') +@@ -1887,8 +1892,11 @@ main (int argc, char *argv[]) + efidir_grub_dev->disk->name, + (part ? ",": ""), (part ? : "")); + grub_free (part); +- grub_install_register_efi (efidir_grub_dev, +- efifile_path, efi_distributor); ++ ret = grub_install_register_efi (efidir_grub_dev, ++ efifile_path, efi_distributor); ++ if (ret) ++ grub_util_error (_("efibootmgr failed to register the boot entry: %s"), ++ strerror (ret)); + } + break; + |