Patch "crypto: caam - fix invalid dereference in caam_rsa_init_tfm()" has been added to the 4.9-stable tree

Patch "crypto: caam - fix invalid dereference in caam_rsa_init_tfm()" has been added to the 4.9-stable tree

[gregkh]

This is a note to let you know that I've just added the patch titled

    crypto: caam - fix invalid dereference in caam_rsa_init_tfm()

to the 4.9-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     crypto-caam-fix-invalid-dereference-in-caam_rsa_init_tfm.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.


>From 33fa46d7b310e06d2cb2ab5417c100af120bfb65 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Horia=20Geant=C4=83?= <horia.geanta@nxp.com>
Date: Mon, 3 Apr 2017 18:30:07 +0300
Subject: crypto: caam - fix invalid dereference in caam_rsa_init_tfm()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

From: Horia Geantă <horia.geanta@nxp.com>

commit 33fa46d7b310e06d2cb2ab5417c100af120bfb65 upstream.

In case caam_jr_alloc() fails, ctx->dev carries the error code,
thus accessing it with dev_err() is incorrect.

Fixes: 8c419778ab57e ("crypto: caam - add support for RSA algorithm")
Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/crypto/caam/caampkc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/crypto/caam/caampkc.c
+++ b/drivers/crypto/caam/caampkc.c
@@ -506,7 +506,7 @@ static int caam_rsa_init_tfm(struct cryp
 	ctx->dev = caam_jr_alloc();
 
 	if (IS_ERR(ctx->dev)) {
-		dev_err(ctx->dev, "Job Ring Device allocation for transform failed\n");
+		pr_err("Job Ring Device allocation for transform failed\n");
 		return PTR_ERR(ctx->dev);
 	}
 


Patches currently in stable-queue which might be from horia.geanta@nxp.com are

queue-4.9/crypto-caam-fix-invalid-dereference-in-caam_rsa_init_tfm.patch
queue-4.9/crypto-caam-fix-rng-deinstantiation-error-checking.patch