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-rw-r--r--fs/efivarfs/vars.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/efivarfs/vars.c b/fs/efivarfs/vars.c
index 4d722af101..3cc89bb624 100644
--- a/fs/efivarfs/vars.c
+++ b/fs/efivarfs/vars.c
@@ -295,9 +295,9 @@ static bool variable_is_present(efi_char16_t *variable_name, efi_guid_t *vendor,
unsigned long strsize1, strsize2;
bool found = false;
- strsize1 = ucs2_strsize(variable_name, 1024);
+ strsize1 = ucs2_strsize(variable_name, EFI_VAR_NAME_LEN);
list_for_each_entry_safe(entry, n, head, list) {
- strsize2 = ucs2_strsize(entry->var.VariableName, 1024);
+ strsize2 = ucs2_strsize(entry->var.VariableName, EFI_VAR_NAME_LEN);
if (strsize1 == strsize2 &&
!memcmp(variable_name, &(entry->var.VariableName),
strsize2) &&
@@ -396,6 +396,7 @@ int efivar_init(int (*func)(efi_char16_t *, efi_guid_t, unsigned long, void *,
do {
variable_name_size = 512;
+ BUILD_BUG_ON(EFI_VAR_NAME_LEN < 512);
status = efivar_get_next_variable(&variable_name_size,
variable_name,