From f6b99b6e18657aa1222b0c51ad20ac674e764281 Mon Sep 17 00:00:00 2001
From: Sascha Hauer <s.hauer@pengutronix.de>
Date: Thu, 23 May 2019 10:50:27 +0200
Subject: [PATCH] crypto: caam - print IV only when non NULL
Since eaed71a44ad9 ("crypto: caam - add ecb(*) support") the IV can be
NULL, so only dump it when it's non NULL as designated by the ivsize
variable.
Fixes: eaed71a44ad9 ("crypto: caam - add ecb(*) support")
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
---
drivers/crypto/caam/caamalg.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 08c36ae5d12d1..3a64f74dbdced 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -1021,9 +1021,10 @@ static void skcipher_encrypt_done(struct device *jrdev, u32 *desc, u32 err,
ivsize, ivsize, 0);
#ifdef DEBUG
- print_hex_dump(KERN_ERR, "dstiv @"__stringify(__LINE__)": ",
- DUMP_PREFIX_ADDRESS, 16, 4, req->iv,
- edesc->src_nents > 1 ? 100 : ivsize, 1);
+ if (ivsize)
+ print_hex_dump(KERN_ERR, "dstiv @"__stringify(__LINE__)": ",
+ DUMP_PREFIX_ADDRESS, 16, 4, req->iv,
+ edesc->src_nents > 1 ? 100 : ivsize, 1);
#endif
caam_dump_sg(KERN_ERR, "dst @" __stringify(__LINE__)": ",
DUMP_PREFIX_ADDRESS, 16, 4, req->dst,
--
2.30.2