--- zzzz-none-000/linux-3.10.107/arch/powerpc/crypto/sha1.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/powerpc/crypto/sha1.c	2021-02-04 17:41:59.000000000 +0000
@@ -66,7 +66,7 @@
 			src = data + done;
 		} while (done + 63 < len);
 
-		memset(temp, 0, sizeof(temp));
+		memzero_explicit(temp, sizeof(temp));
 		partial = 0;
 	}
 	memcpy(sctx->buffer + partial, src, len - done);