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authorArd Biesheuvel <ard.biesheuvel@linaro.org>2015-11-23 08:43:24 +0100
committerCatalin Marinas <catalin.marinas@arm.com>2015-11-26 18:15:54 +0000
commit66362c9afc1d4a806280b9e3646d2d0a26cf83e9 (patch)
tree1c7143665f8daf14d5b6e8eef0d395b2c83325e2
parent81d945772afccc77660374aa6e512184b9107580 (diff)
arm64: efi: fix initcall return values
Even though initcall return values are typically ignored, the prototype is to return 0 on success or a negative errno value on error. So fix the arm_enable_runtime_services() implementation to return 0 on conditions that are not in fact errors, and return a meaningful error code otherwise. Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk> Acked-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
-rw-r--r--arch/arm64/kernel/efi.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/arch/arm64/kernel/efi.c b/arch/arm64/kernel/efi.c
index 96e4b1b7de46..4eeb17198cfa 100644
--- a/arch/arm64/kernel/efi.c
+++ b/arch/arm64/kernel/efi.c
@@ -280,12 +280,12 @@ static int __init arm64_enable_runtime_services(void)
if (!efi_enabled(EFI_BOOT)) {
pr_info("EFI services will not be available.\n");
- return -1;
+ return 0;
}
if (efi_runtime_disabled()) {
pr_info("EFI runtime services will be disabled.\n");
- return -1;
+ return 0;
}
pr_info("Remapping and enabling EFI services.\n");
@@ -295,7 +295,7 @@ static int __init arm64_enable_runtime_services(void)
mapsize);
if (!memmap.map) {
pr_err("Failed to remap EFI memory map\n");
- return -1;
+ return -ENOMEM;
}
memmap.map_end = memmap.map + mapsize;
efi.memmap = &memmap;
@@ -304,13 +304,13 @@ static int __init arm64_enable_runtime_services(void)
sizeof(efi_system_table_t));
if (!efi.systab) {
pr_err("Failed to remap EFI System Table\n");
- return -1;
+ return -ENOMEM;
}
set_bit(EFI_SYSTEM_TABLES, &efi.flags);
if (!efi_virtmap_init()) {
pr_err("No UEFI virtual mapping was installed -- runtime services will not be available\n");
- return -1;
+ return -ENOMEM;
}
/* Set up runtime services function pointers */