diff --git a/drivers/firmware/efi/libstub/efistub.h b/drivers/firmware/efi/libstub/efistub.h
index 36056c624782..880c1d0c464b 100644
--- a/drivers/firmware/efi/libstub/efistub.h
+++ b/drivers/firmware/efi/libstub/efistub.h
@@ -1084,6 +1084,7 @@ int efi_vsnprintf(efi_char16_t *buf, size_t size, const char *fmt, va_list ap,
 		  bool crlf);
 
 __printf(1, 2) int efi_printk(char const *fmt, ...);
+__printf(3, 4) int efi_snprintf(efi_char16_t *buf, size_t size, const char *fmt, ...);
 
 void efi_free(unsigned long size, unsigned long addr);
 DEFINE_FREE(efi_pool, void *, if (_T) efi_bs_call(free_pool, _T));
diff --git a/drivers/firmware/efi/libstub/vsprintf.c b/drivers/firmware/efi/libstub/vsprintf.c
index 7f6b891a338a..7fd6589f44ef 100644
--- a/drivers/firmware/efi/libstub/vsprintf.c
+++ b/drivers/firmware/efi/libstub/vsprintf.c
@@ -509,3 +509,14 @@ fail:
 
 	return pos;
 }
+
+int efi_snprintf(efi_char16_t *buf, size_t size, const char *fmt, ...)
+{
+	va_list args;
+	int i;
+
+	va_start(args, fmt);
+	i = efi_vsnprintf(buf, size, fmt, args, false);
+	va_end(args);
+	return i;
+}