From ad2e188c0e46d44c8a1951cde429aa694d498df8 Mon Sep 17 00:00:00 2001
From: Mr NeilBrown <neilb@suse.de>
Date: Tue, 10 Mar 2020 16:34:41 -0400
Subject: [PATCH] LU-13344 libcfs: adler32: don't set
 CRYPTO_TFM_RES_BAD_KEY_LEN

This flag was not being checked by most callers and has been removed since
Commit 674f368a952c ("crypto: remove CRYPTO_TFM_RES_BAD_KEY_LEN")
so remove from lustre too.

Change-Id: Ia616430a98d05c7bb3b22a0be543e83855272d2f
Test-Parameters: trivial
Signed-off-by: Mr NeilBrown <neilb@suse.de>
Reviewed-on: https://review.whamcloud.com/37870
Reviewed-by: James Simmons <jsimmons@infradead.org>
Reviewed-by: Shaun Tancheff <shaun.tancheff@hpe.com>
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Sebastien Buisson <sbuisson@ddn.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---
 libcfs/libcfs/linux-crypto-adler.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/libcfs/libcfs/linux-crypto-adler.c b/libcfs/libcfs/linux-crypto-adler.c
index ee47fb5..5b21ef7 100644
--- a/libcfs/libcfs/linux-crypto-adler.c
+++ b/libcfs/libcfs/linux-crypto-adler.c
@@ -51,10 +51,9 @@ static int adler32_setkey(struct crypto_shash *hash, const u8 *key,
 {
 	u32 *mctx = crypto_shash_ctx(hash);
 
-	if (keylen != sizeof(u32)) {
-		crypto_shash_set_flags(hash, CRYPTO_TFM_RES_BAD_KEY_LEN);
+	if (keylen != sizeof(u32))
 		return -EINVAL;
-	}
+
 	*mctx = *(u32 *)key;
 	return 0;
 }
-- 
1.8.3.1