linux-kernel - [PATCH] crypto: caam - don't emit ICV check failures to dmesg

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Date:	Tue, 20 Jan 2015 12:43:10 -0600
From:	Kim Phillips <kim.phillips@...escale.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
CC:	Tudor Ambarus <tudor.ambarus@...escale.com>,
	<linux-crypto@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>,
	Marek Vasut <marex@...x.de>,
	Cristian Stoica <cristian.stoica@...escale.com>,
	Horia Geanta <horia.geanta@...escale.com>,
	<linux-kernel@...r.kernel.org>
Subject: [PATCH] crypto: caam - don't emit ICV check failures to dmesg

ICV check failures are part of normal operation;
leave user notification up to the higher levels,
as is done in s/w algorithm implementations.

Signed-off-by: Kim Phillips <kim.phillips@...escale.com>
---
 drivers/crypto/caam/error.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/crypto/caam/error.c b/drivers/crypto/caam/error.c
index 66d73bf..33e41ea 100644
--- a/drivers/crypto/caam/error.c
+++ b/drivers/crypto/caam/error.c
@@ -151,10 +151,15 @@ static void report_ccb_status(struct device *jrdev, const u32 status,
 	else
 		snprintf(err_err_code, sizeof(err_err_code), "%02x", err_id);
 
-	dev_err(jrdev, "%08x: %s: %s %d: %s%s: %s%s\n",
-		status, error, idx_str, idx,
-		cha_str, cha_err_code,
-		err_str, err_err_code);
+	/*
+	 * CCB ICV check failures are part of normal operation life;
+	 * we leave the upper layers to do what they want with them.
+	 */
+	if (err_id != JRSTA_CCBERR_ERRID_ICVCHK)
+		dev_err(jrdev, "%08x: %s: %s %d: %s%s: %s%s\n",
+			status, error, idx_str, idx,
+			cha_str, cha_err_code,
+			err_str, err_err_code);
 }
 
 static void report_jump_status(struct device *jrdev, const u32 status,
-- 
2.2.2

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