From: Gary R Hook <gary.hook@amd.com>
Date: Mon, 29 Jul 2019 12:56:08 +0000 (+0000)
Subject: crypto: ccp - Log an error message when ccp-crypto fails to load
X-Git-Tag: v5.4-rc1~132^2~213
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=f6ebfd7826a8b69ad6691695a97409bd35d146a9;p=linux.git

crypto: ccp - Log an error message when ccp-crypto fails to load

If there are no CCP devices on the system, ccp-crypto will not load.
Write a message to the system log clarifying the reason for the failure
of the modprobe operation

Signed-off-by: Gary R Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---

diff --git a/drivers/crypto/ccp/ccp-crypto-main.c b/drivers/crypto/ccp/ccp-crypto-main.c
index 818096490829..8ee4cb45a3f3 100644
--- a/drivers/crypto/ccp/ccp-crypto-main.c
+++ b/drivers/crypto/ccp/ccp-crypto-main.c
@@ -405,8 +405,10 @@ static int ccp_crypto_init(void)
 	int ret;
 
 	ret = ccp_present();
-	if (ret)
+	if (ret) {
+		pr_err("Cannot load: there are no available CCPs\n");
 		return ret;
+	}
 
 	spin_lock_init(&req_queue_lock);
 	INIT_LIST_HEAD(&req_queue.cmds);