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efi: Move efi_status_to_err() to drivers/firmware/efi/

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Move efi_status_to_err() to the architecture independent code as it's
generally useful in all bits of EFI code where there is a need to
convert an efi_status_t to a kernel error value.

Signed-off-by: Matt Fleming <[email protected]>
Acked-by: Ard Biesheuvel <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Kweh Hock Leong <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Thomas Gleixner <[email protected]>
Cc: joeyli <[email protected]>
Cc: [email protected]
Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Ingo Molnar <[email protected]>
This commit is contained in:
Matt Fleming 2016-04-25 21:06:58 +01:00 • committed by Ingo Molnar
commit 806b0351c9
3 changed files with 35 additions and 33 deletions
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33
drivers/firmware/efi/efi.c
View file

@ -636,3 +636,36 @@ u64 __weak efi_mem_attributes(unsigned long phys_addr)
}
return 0;
}
int efi_status_to_err(efi_status_t status)
{
int err;
switch (status) {
case EFI_SUCCESS:
err = 0;
break;
case EFI_INVALID_PARAMETER:
err = -EINVAL;
break;
case EFI_OUT_OF_RESOURCES:
err = -ENOSPC;
break;
case EFI_DEVICE_ERROR:
err = -EIO;
break;
case EFI_WRITE_PROTECTED:
err = -EROFS;
break;
case EFI_SECURITY_VIOLATION:
err = -EACCES;
break;
case EFI_NOT_FOUND:
err = -ENOENT;
break;
default:
err = -EINVAL;
}
return err;
}

33
drivers/firmware/efi/vars.c
View file

@ -329,39 +329,6 @@ check_var_size_nonblocking(u32 attributes, unsigned long size)
return fops->query_variable_store(attributes, size, true);
}
static int efi_status_to_err(efi_status_t status)
{
int err;
switch (status) {
case EFI_SUCCESS:
err = 0;
break;
case EFI_INVALID_PARAMETER:
err = -EINVAL;
break;
case EFI_OUT_OF_RESOURCES:
err = -ENOSPC;
break;
case EFI_DEVICE_ERROR:
err = -EIO;
break;
case EFI_WRITE_PROTECTED:
err = -EROFS;
break;
case EFI_SECURITY_VIOLATION:
err = -EACCES;
break;
case EFI_NOT_FOUND:
err = -ENOENT;
break;
default:
err = -EINVAL;
}
return err;
}
static bool variable_is_present(efi_char16_t *variable_name, efi_guid_t *vendor,
struct list_head *head)
{