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efi/arm: Don't expect a return value of ptdump_debugfs_register

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As of commit e2a2e56e40 ("arm64: dump: no need to check return value
of debugfs_create functions") in the arm64 for-next/core branch,
ptdump_debugfs_register does not have a return value, which causes a
build error here:

drivers/firmware/efi/arm-runtime.c:51:9: error: returning 'void' from a
function with incompatible result type 'int'
        return ptdump_debugfs_register(&efi_ptdump_info, "efi_page_tables");
               ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.

The arm version is still awaiting acceptance [1] but in anticipation
of that patch being merged, restructure this function to call
ptdump_debugfs_register without expecting a return value.

[1]: https://lore.kernel.org/lkml/20190122144114.9816-3-gregkh@linuxfoundation.org/

Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Nathan Chancellor 2019-02-01 12:20:01 -07:00 committed by Catalin Marinas
parent d0a060be57
commit 67f52a9540
1 changed files with 3 additions and 3 deletions
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6
drivers/firmware/efi/arm-runtime.c
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@ -45,10 +45,10 @@ static struct ptdump_info efi_ptdump_info = {
static int __init ptdump_init(void)
{
if (!efi_enabled(EFI_RUNTIME_SERVICES))
return 0;
if (efi_enabled(EFI_RUNTIME_SERVICES))
ptdump_debugfs_register(&efi_ptdump_info, "efi_page_tables");
return ptdump_debugfs_register(&efi_ptdump_info, "efi_page_tables");
return 0;
}
device_initcall(ptdump_init);