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authorJoerg Roedel <jroedel@suse.de>2019-06-24 10:23:16 +0200
committerJoerg Roedel <jroedel@suse.de>2019-06-24 10:23:16 +0200
commitceedd5f74d8cfe34db4e654a7808e3c5de40d6f5 (patch)
treee19c18292231202e9cd8d484ee43f46b2c9c9ad1 /drivers/firmware/efi/efi.c
parentiommu/dma: Fix condition check in iommu_dma_unmap_sg (diff)
parentLinux 5.2-rc6 (diff)
downloadlinux-ceedd5f74d8cfe34db4e654a7808e3c5de40d6f5.tar.xz
linux-ceedd5f74d8cfe34db4e654a7808e3c5de40d6f5.zip
Merge tag 'v5.2-rc6' into generic-dma-ops
Linux 5.2-rc6
Diffstat (limited to 'drivers/firmware/efi/efi.c')
-rw-r--r--drivers/firmware/efi/efi.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 55b77c576c42..16b2137d117c 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* efi.c - EFI subsystem
*
@@ -9,8 +10,6 @@
* allowing the efivarfs to be mounted or the efivars module to be loaded.
* The existance of /sys/firmware/efi may also be used by userspace to
* determine that the system supports EFI.
- *
- * This file is released under the GPLv2.
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
@@ -636,6 +635,9 @@ int __init efi_config_init(efi_config_table_type_t *arch_tables)
void *config_tables;
int sz, ret;
+ if (efi.systab->nr_tables == 0)
+ return 0;
+
if (efi_enabled(EFI_64BIT))
sz = sizeof(efi_config_table_64_t);
else