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Code Issues Releases Wiki Activity

infiniband: hfi1: Use EFI GetVariable only when available 

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>
This commit is contained in:
Ard Biesheuvel 2020-01-23 09:16:02 +01:00
parent e5c3b1cc99
commit d79b348c35
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/hfi1/efivar.c
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@ -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);