From 806b0351c9ff9890c1ef0ba2c46237baef49ac79 Mon Sep 17 00:00:00 2001 From: Matt Fleming Date: Mon, 25 Apr 2016 21:06:58 +0100 Subject: efi: Move efi_status_to_err() to drivers/firmware/efi/ 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 Acked-by: Ard Biesheuvel Cc: Borislav Petkov Cc: Kweh Hock Leong Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: joeyli Cc: linux-efi@vger.kernel.org Link: http://lkml.kernel.org/r/1461614832-17633-27-git-send-email-matt@codeblueprint.co.uk Signed-off-by: Ingo Molnar --- drivers/firmware/efi/efi.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) (limited to 'drivers/firmware/efi/efi.c') diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c index 4991371012b4..05509f3aaee8 100644 --- a/drivers/firmware/efi/efi.c +++ b/drivers/firmware/efi/efi.c @@ -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; +} -- cgit v1.2.1