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Patch "crypto: ccp - Disable interrupts early on unload" has been added to the 4.9-stable tree

PATCH [email protected] 1 participant 1 message May 16, 2017

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

crypto: ccp - Disable interrupts early on unload

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-ccp-disable-interrupts-early-on-unload.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 <[email protected]> know about it.

Quoted 1 line

From 116591fe3eef11c6f06b662c9176385f13891183 Mon Sep 17 00:00:00 2001

From: Gary R Hook <[email protected]>
Date: Thu, 20 Apr 2017 15:24:22 -0500
Subject: crypto: ccp - Disable interrupts early on unload

From: Gary R Hook <[email protected]>

commit 116591fe3eef11c6f06b662c9176385f13891183 upstream.

Ensure that we disable interrupts first when shutting down the driver.

---
 drivers/crypto/ccp/ccp-dev-v5.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
drivers/crypto/ccp/ccp-dev-v5.c +2 -2
@@ -884,10 +884,10 @@ static void ccp5_destroy(struct ccp_devi
 		iowrite32(cmd_q->qcontrol & ~CMD5_Q_RUN, cmd_q->reg_control);
 
 		/* Disable the interrupts */
-		iowrite32(SUPPORTED_INTERRUPTS, cmd_q->reg_interrupt_status);
+		iowrite32(0x00, cmd_q->reg_int_enable);
 
 		/* Clear the interrupt status */
-		iowrite32(0x00, cmd_q->reg_int_enable);
+		iowrite32(SUPPORTED_INTERRUPTS, cmd_q->reg_interrupt_status);
 		ioread32(cmd_q->reg_int_status);
 		ioread32(cmd_q->reg_status);
 	}

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/crypto-ccp-disable-interrupts-early-on-unload.patch