From: Ard Biesheuvel <ardb@kernel.org>
Date: Thu, 23 Jan 2020 09:16:02 +0100
Subject: infiniband: hfi1: Use EFI GetVariable only when available
Patch-mainline: v5.7-rc1
Git-commit: d79b348c3540611552fc5fb87565228925fb1fd8
References: bsc#1174029, bsc#1174110, bsc#1174111
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>
Acked-by: Lee, Chun-Yi <jlee@suse.com>
---
drivers/infiniband/hw/hfi1/efivar.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 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
*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);