linux-kernel - [ 14/52] staging: comedi: jr3

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Message-Id: <20121004210637.128041936@linuxfoundation.org>
Date:	Thu,  4 Oct 2012 14:21:05 -0700
From:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	alan@...rguk.ukuu.org.uk, Ian Abbott <abbotti@....co.uk>
Subject: [ 14/52] staging: comedi: jr3_pci: fix iomem dereference

3.4-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Ian Abbott <abbotti@....co.uk>

commit e1878957b4676a17cf398f7f5723b365e9a2ca48 upstream.

Correct a direct dereference of I/O memory to use an appropriate I/O
memory access function.  Note that the pointer being dereferenced is not
currently tagged with `__iomem` but I plan to correct that for 3.7.

Signed-off-by: Ian Abbott <abbotti@....co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/staging/comedi/drivers/jr3_pci.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/staging/comedi/drivers/jr3_pci.c
+++ b/drivers/staging/comedi/drivers/jr3_pci.c
@@ -905,7 +905,7 @@ static int jr3_pci_attach(struct comedi_
 	}
 
 	/*  Reset DSP card */
-	devpriv->iobase->channel[0].reset = 0;
+	writel(0, &devpriv->iobase->channel[0].reset);
 
 	result = comedi_load_firmware(dev, "jr3pci.idm", jr3_download_firmware);
 	dev_dbg(dev->hw_dev, "Firmare load %d\n", result);


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