linux-kernel - [PATCH 09/10] crypto: sun8i-ce - add a new function for dumping task descriptors

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250619122316.2587236-10-ovidiu.panait.oss@gmail.com>
Date: Thu, 19 Jun 2025 15:23:15 +0300
From: Ovidiu Panait <ovidiu.panait.oss@...il.com>
To: clabbe.montjoie@...il.com,
	herbert@...dor.apana.org.au,
	davem@...emloft.net,
	linux-crypto@...r.kernel.org
Cc: wens@...e.org,
	jernej.skrabec@...il.com,
	samuel@...lland.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-sunxi@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Ovidiu Panait <ovidiu.panait.oss@...il.com>
Subject: [PATCH 09/10] crypto: sun8i-ce - add a new function for dumping task descriptors

In order to remove code duplication, factor out task descriptor dumping to
a new function sun8i_ce_dump_task_descriptors().

Signed-off-by: Ovidiu Panait <ovidiu.panait.oss@...il.com>
---
 .../crypto/allwinner/sun8i-ce/sun8i-ce-core.c    | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
index 930a6579d853..b6cfc6758a5a 100644
--- a/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
+++ b/drivers/crypto/allwinner/sun8i-ce/sun8i-ce-core.c
@@ -169,6 +169,12 @@ static const struct ce_variant ce_r40_variant = {
 	.trng = CE_ID_NOTSUPP,
 };
 
+static void sun8i_ce_dump_task_descriptors(struct sun8i_ce_flow *chan)
+{
+	print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
+		       chan->tl, sizeof(struct ce_task), false);
+}
+
 /*
  * sun8i_ce_get_engine_number() get the next channel slot
  * This is a simple round-robin way of getting the next channel
@@ -183,7 +189,6 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
 {
 	u32 v;
 	int err = 0;
-	struct ce_task *cet = ce->chanlist[flow].tl;
 
 #ifdef CONFIG_CRYPTO_DEV_SUN8I_CE_DEBUG
 	ce->chanlist[flow].stat_req++;
@@ -225,9 +230,8 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
 		/* Sadly, the error bit is not per flow */
 		if (v) {
 			dev_err(ce->dev, "CE ERROR: %x for flow %x\n", v, flow);
+			sun8i_ce_dump_task_descriptors(&ce->chanlist[flow]);
 			err = -EFAULT;
-			print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
-				       cet, sizeof(struct ce_task), false);
 		}
 		if (v & CE_ERR_ALGO_NOTSUP)
 			dev_err(ce->dev, "CE ERROR: algorithm not supported\n");
@@ -244,9 +248,8 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
 		v &= 0xF;
 		if (v) {
 			dev_err(ce->dev, "CE ERROR: %x for flow %x\n", v, flow);
+			sun8i_ce_dump_task_descriptors(&ce->chanlist[flow]);
 			err = -EFAULT;
-			print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
-				       cet, sizeof(struct ce_task), false);
 		}
 		if (v & CE_ERR_ALGO_NOTSUP)
 			dev_err(ce->dev, "CE ERROR: algorithm not supported\n");
@@ -260,9 +263,8 @@ int sun8i_ce_run_task(struct sun8i_ce_dev *ce, int flow, const char *name)
 		v &= 0xFF;
 		if (v) {
 			dev_err(ce->dev, "CE ERROR: %x for flow %x\n", v, flow);
+			sun8i_ce_dump_task_descriptors(&ce->chanlist[flow]);
 			err = -EFAULT;
-			print_hex_dump(KERN_INFO, "TASK: ", DUMP_PREFIX_NONE, 16, 4,
-				       cet, sizeof(struct ce_task), false);
 		}
 		if (v & CE_ERR_ALGO_NOTSUP)
 			dev_err(ce->dev, "CE ERROR: algorithm not supported\n");
-- 
2.49.0