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authorMatt Fleming <matt@codeblueprint.co.uk>2016-04-25 22:06:58 +0200
committerIngo Molnar <mingo@kernel.org>2016-04-28 11:34:03 +0200
commit806b0351c9ff9890c1ef0ba2c46237baef49ac79 (patch)
treeec1a82709839331cd57e66e25cde7ec09e357657 /drivers/firmware
parentefibc: Add EFI Bootloader Control module (diff)
downloadlinux-806b0351c9ff9890c1ef0ba2c46237baef49ac79.tar.xz
linux-806b0351c9ff9890c1ef0ba2c46237baef49ac79.zip
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 <matt@codeblueprint.co.uk> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Kweh Hock Leong <hock.leong.kweh@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: joeyli <jlee@suse.com> 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 <mingo@kernel.org>
Diffstat (limited to 'drivers/firmware')
-rw-r--r--drivers/firmware/efi/efi.c33
-rw-r--r--drivers/firmware/efi/vars.c33
2 files changed, 33 insertions, 33 deletions
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;
+}
diff --git a/drivers/firmware/efi/vars.c b/drivers/firmware/efi/vars.c
index 34b741940494..0012331d5a3d 100644
--- a/drivers/firmware/efi/vars.c
+++ b/drivers/firmware/efi/vars.c
@@ -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)
{