--- zzzz-none-000/linux-3.10.107/crypto/pcompress.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/crypto/pcompress.c	2021-02-04 17:41:59.000000000 +0000
@@ -38,11 +38,6 @@
 	return 0;
 }
 
-static unsigned int crypto_pcomp_extsize(struct crypto_alg *alg)
-{
-	return alg->cra_ctxsize;
-}
-
 static int crypto_pcomp_init_tfm(struct crypto_tfm *tfm)
 {
 	return 0;
@@ -77,7 +72,7 @@
 }
 
 static const struct crypto_type crypto_pcomp_type = {
-	.extsize	= crypto_pcomp_extsize,
+	.extsize	= crypto_alg_extsize,
 	.init		= crypto_pcomp_init,
 	.init_tfm	= crypto_pcomp_init_tfm,
 #ifdef CONFIG_PROC_FS