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authorChris Zankel <chris@zankel.net>2015-08-29 23:55:58 (GMT)
committerChris Zankel <chris@zankel.net>2015-08-29 23:55:58 (GMT)
commit650c919798c71fb34b77a6f2ba03a06907f06a76 (patch)
treed1c60012d4d86846d25f1d0b783b5122c26a2e31 /arch/x86/platform/efi/efi.c
parent895fb3159280fe7695b35ec7c87ec19e13ca5b6e (diff)
parent64291f7db5bd8150a74ad2036f1037e6a0428df2 (diff)
downloadlinux-650c919798c71fb34b77a6f2ba03a06907f06a76.tar.xz
Merge tag 'v4.2' into for_next
Linux 4.2
Diffstat (limited to 'arch/x86/platform/efi/efi.c')
-rw-r--r--arch/x86/platform/efi/efi.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index cfba30f..e4308fe 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -972,6 +972,11 @@ u64 efi_mem_attributes(unsigned long phys_addr)
static int __init arch_parse_efi_cmdline(char *str)
{
+ if (!str) {
+ pr_warn("need at least one option\n");
+ return -EINVAL;
+ }
+
if (parse_option_str(str, "old_map"))
set_bit(EFI_OLD_MEMMAP, &efi.flags);
if (parse_option_str(str, "debug"))