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Merge branch 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull EFI fix from Thomas Gleixner:
 "A single fix to prevent partially initialized pointers in mixed mode
  (64bit kernel on 32bit UEFI)"

* 'efi-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  efi/libstub/tpm: Initialize pointer variables to zero for mixed mode
This commit is contained in:
Linus Torvalds 2018-03-18 11:56:53 -07:00
parent 3cd1d3273f 79832f0b5f
commit 23fe85ae4f
1 changed files with 2 additions and 2 deletions
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4
drivers/firmware/efi/libstub/tpm.c
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@ -68,11 +68,11 @@ void efi_retrieve_tpm2_eventlog_1_2(efi_system_table_t *sys_table_arg)
efi_guid_t linux_eventlog_guid = LINUX_EFI_TPM_EVENT_LOG_GUID;
efi_status_t status;
efi_physical_addr_t log_location, log_last_entry;
struct linux_efi_tpm_eventlog *log_tbl;
struct linux_efi_tpm_eventlog *log_tbl = NULL;
unsigned long first_entry_addr, last_entry_addr;
size_t log_size, last_entry_size;
efi_bool_t truncated;
void *tcg2_protocol;
void *tcg2_protocol = NULL;
status = efi_call_early(locate_protocol, &tcg2_guid, NULL,
&tcg2_protocol);