linux-kernel - [PATCH v4 03/16] crypto: caam - move tasklet

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Date:   Wed,  3 Jul 2019 01:13:14 -0700
From:   Andrey Smirnov <andrew.smirnov@...il.com>
To:     linux-crypto@...r.kernel.org
Cc:     Andrey Smirnov <andrew.smirnov@...il.com>,
        Chris Spencer <christopher.spencer@....co.uk>,
        Cory Tusar <cory.tusar@....aero>,
        Chris Healy <cphealy@...il.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Horia Geantă <horia.geanta@....com>,
        Aymen Sghaier <aymen.sghaier@....com>,
        Leonard Crestez <leonard.crestez@....com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH v4 03/16] crypto: caam - move tasklet_init() call down

Move tasklet_init() call further down in order to simplify error path
cleanup. No functional change intended.

Signed-off-by: Andrey Smirnov <andrew.smirnov@...il.com>
Cc: Chris Spencer <christopher.spencer@....co.uk>
Cc: Cory Tusar <cory.tusar@....aero>
Cc: Chris Healy <cphealy@...il.com>
Cc: Lucas Stach <l.stach@...gutronix.de>
Cc: Horia Geantă <horia.geanta@....com>
Cc: Aymen Sghaier <aymen.sghaier@....com>
Cc: Leonard Crestez <leonard.crestez@....com>
Cc: linux-crypto@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
---
 drivers/crypto/caam/jr.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/caam/jr.c b/drivers/crypto/caam/jr.c
index 4b25b2fa3d02..a7ca2bbe243f 100644
--- a/drivers/crypto/caam/jr.c
+++ b/drivers/crypto/caam/jr.c
@@ -441,15 +441,13 @@ static int caam_jr_init(struct device *dev)
 
 	jrp = dev_get_drvdata(dev);
 
-	tasklet_init(&jrp->irqtask, caam_jr_dequeue, (unsigned long)dev);
-
 	/* Connect job ring interrupt handler. */
 	error = request_irq(jrp->irq, caam_jr_interrupt, IRQF_SHARED,
 			    dev_name(dev), dev);
 	if (error) {
 		dev_err(dev, "can't connect JobR %d interrupt (%d)\n",
 			jrp->ridx, jrp->irq);
-		goto out_kill_deq;
+		return error;
 	}
 
 	error = caam_reset_hw_jr(dev);
@@ -471,6 +469,8 @@ static int caam_jr_init(struct device *dev)
 	if (!jrp->entinfo)
 		goto out_free_outring;
 
+	tasklet_init(&jrp->irqtask, caam_jr_dequeue, (unsigned long)dev);
+
 	for (i = 0; i < JOBR_DEPTH; i++)
 		jrp->entinfo[i].desc_addr_dma = !0;
 
@@ -504,8 +504,6 @@ static int caam_jr_init(struct device *dev)
 	dev_err(dev, "can't allocate job rings for %d\n", jrp->ridx);
 out_free_irq:
 	free_irq(jrp->irq, dev);
-out_kill_deq:
-	tasklet_kill(&jrp->irqtask);
 	return error;
 }
 
-- 
2.21.0