[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <20120330173616.GC2703@Neptun>
Date: Fri, 30 Mar 2012 19:36:16 +0200
From: Lino Sanfilippo <LinoSanfilippo@....de>
To: shemminger@...tta.com
Cc: linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH] sky2: fix missing register reset on error path in
sky2_test_msi()
In sky2_test_msi() the temporarily set SW IRQ in B0 register is not reset in case
that request_irq() fails.
With this patch we only set the interrupt mask if request_irq() was successful.
Signed-off-by: Lino Sanfilippo <LinoSanfilippo@....de>
---
This applies against 3.3
drivers/net/ethernet/marvell/sky2.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 760c2b1..0e23ce4 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -4795,14 +4795,14 @@ static int __devinit sky2_test_msi(struct sky2_hw *hw)
init_waitqueue_head(&hw->msi_wait);
- sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW);
-
err = request_irq(pdev->irq, sky2_test_intr, 0, DRV_NAME, hw);
if (err) {
dev_err(&pdev->dev, "cannot assign irq %d\n", pdev->irq);
return err;
}
+ sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW);
+
sky2_write8(hw, B0_CTST, CS_ST_SW_IRQ);
sky2_read8(hw, B0_CTST);
--
1.5.6.5
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Powered by blists - more mailing lists