From: Michael Chang Date: Thu, 11 Apr 2019 09:14:06 +0000 (+0800) Subject: acpi: Fix gcc9 error -Waddress-of-packed-member X-Git-Tag: grub-2.04~15 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0b1bf3932f1b1700d3c8a997e4850fb9a013569d;p=thirdparty%2Fgrub.git acpi: Fix gcc9 error -Waddress-of-packed-member Simply adds the missing packed attribute to 'struct grub_acpi_madt'. [ 233s] ../../grub-core/commands/lsacpi.c: In function 'disp_acpi_xsdt_table': [ 233s] ../../grub-core/commands/lsacpi.c:201:27: error: converting a packed 'struct grub_acpi_table_header' pointer (alignment 1) to a 'struct grub_acpi_madt' pointer (alignment 4) may result in an unaligned pointer value [-Werror=address-of-packed-member] [ 233s] 201 | disp_madt_table ((struct grub_acpi_madt *) t); [ 233s] | ^~~~~~~~~~~~~~ [ 233s] In file included from ../../grub-core/commands/lsacpi.c:23: [ 233s] ../../include/grub/acpi.h:50:8: note: defined here [ 233s] 50 | struct grub_acpi_table_header [ 233s] | ^~~~~~~~~~~~~~~~~~~~~~ [ 233s] ../../include/grub/acpi.h:90:8: note: defined here [ 233s] 90 | struct grub_acpi_madt [ 233s] | ^~~~~~~~~~~~~~ [ 233s] ../../grub-core/commands/lsacpi.c: In function 'disp_acpi_rsdt_table': [ 233s] ../../grub-core/commands/lsacpi.c:225:27: error: converting a packed 'struct grub_acpi_table_header' pointer (alignment 1) to a 'struct grub_acpi_madt' pointer (alignment 4) may result in an unaligned pointer value [-Werror=address-of-packed-member] [ 233s] 225 | disp_madt_table ((struct grub_acpi_madt *) t); [ 233s] | ^~~~~~~~~~~~~~ [ 233s] In file included from ../../grub-core/commands/lsacpi.c:23: [ 233s] ../../include/grub/acpi.h:50:8: note: defined here [ 233s] 50 | struct grub_acpi_table_header [ 233s] | ^~~~~~~~~~~~~~~~~~~~~~ [ 233s] ../../include/grub/acpi.h:90:8: note: defined here [ 233s] 90 | struct grub_acpi_madt [ 233s] | ^~~~~~~~~~~~~~ Signed-off-by: Michael Chang Reviewed-by: Daniel Kiper --- diff --git a/include/grub/acpi.h b/include/grub/acpi.h index 66148f684..84f49487d 100644 --- a/include/grub/acpi.h +++ b/include/grub/acpi.h @@ -93,7 +93,7 @@ struct grub_acpi_madt grub_uint32_t lapic_addr; grub_uint32_t flags; struct grub_acpi_madt_entry_header entries[0]; -}; +} GRUB_PACKED; enum {