[PATCH 5/9] infiniband: hfi1: use EFI GetVariable only when available

* [PATCH 5/9] infiniband: hfi1: use EFI GetVariable only when available
       [not found] <20200219171907.11894-1-ardb@kernel.org>
@ 2020-02-19 17:19 ` Ard Biesheuvel
  0 siblings, 0 replies; only message in thread
From: Ard Biesheuvel @ 2020-02-19 17:19 UTC (permalink / raw)
  To: linux-efi
  Cc: Ard Biesheuvel, Leif Lindholm, Peter Jones, Alexander Graf,
	Heinrich Schuchardt, Jeff Brasen, Atish Patra, x86,
	Mike Marciniszyn, Dennis Dalessandro, Doug Ledford,
	Jason Gunthorpe, linux-rdma

Replace the EFI runtime services check with one that tells us whether
EFI GetVariable() is implemented by the firmware.

Cc: Mike Marciniszyn <mike.marciniszyn@intel.com>
Cc: Dennis Dalessandro <dennis.dalessandro@intel.com>
Cc: Doug Ledford <dledford@redhat.com>
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: linux-rdma@vger.kernel.org
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
---
 drivers/infiniband/hw/hfi1/efivar.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/infiniband/hw/hfi1/efivar.c b/drivers/infiniband/hw/hfi1/efivar.c
index d106d23016ba..c22ab7b5163b 100644
--- a/drivers/infiniband/hw/hfi1/efivar.c
+++ b/drivers/infiniband/hw/hfi1/efivar.c
@@ -78,7 +78,7 @@ static int read_efi_var(const char *name, unsigned long *size,
 	*size = 0;
 	*return_data = NULL;
 
-	if (!efi_enabled(EFI_RUNTIME_SERVICES))
+	if (!efi_rt_services_supported(EFI_RT_SUPPORTED_GET_VARIABLE))
 		return -EOPNOTSUPP;
 
 	uni_name = kcalloc(strlen(name) + 1, sizeof(efi_char16_t), GFP_KERNEL);
-- 
2.17.1


^ permalink raw reply related	[flat|nested] only message in thread