linux-kernel - [PATCH] Staging: comedi: fix printk and NULL initialization issue in adv_pci

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Date:	Tue,  9 Aug 2011 20:48:00 +0530
From:	Ravishankar <ravishankarkm32@...il.com>
To:	gregkh@...e.de, wfp5p@...ginia.edu
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Ravishankar <ravi.shankar@...enturtles.in>,
	Ravishankar <ravishankarkm32@...il.com>
Subject: [PATCH] Staging: comedi: fix printk and NULL initialization issue in adv_pci_dio.c

From: Ravishankar <ravi.shankar@...enturtles.in>

This is a patch to the adv_pci_dio.c file that fixes up a printk and NULL initializtion warning found by the checkpatch.pl tool

Signed-off-by: Ravishankar <ravishankarkm32@...il.com>
---
 drivers/staging/comedi/drivers/adv_pci_dio.c |   22 +++++++++++-----------
 1 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/staging/comedi/drivers/adv_pci_dio.c b/drivers/staging/comedi/drivers/adv_pci_dio.c
index d23799b..ed59722 100644
--- a/drivers/staging/comedi/drivers/adv_pci_dio.c
+++ b/drivers/staging/comedi/drivers/adv_pci_dio.c
@@ -422,7 +422,7 @@ struct pci_dio_private {
 	unsigned short IDIFiltrHigh[8];	/*  IDI's filter value high signal */
 };
 
-static struct pci_dio_private *pci_priv = NULL;	/* list of allocated cards */
+static struct pci_dio_private *pci_priv;	/* list of allocated cards */
 
 #define devpriv ((struct pci_dio_private *)dev->private)
 #define this_board ((const struct dio_boardtype *)dev->board_ptr)
@@ -1106,11 +1106,11 @@ static int pci_dio_attach(struct comedi_device *dev,
 	unsigned long iobase;
 	struct pci_dev *pcidev = NULL;
 
-	printk("comedi%d: adv_pci_dio: ", dev->minor);
+	printk(KERN_WARNING "comedi%d: adv_pci_dio: ", dev->minor);
 
 	ret = alloc_private(dev, sizeof(struct pci_dio_private));
 	if (ret < 0) {
-		printk(", Error: Cann't allocate private memory!\n");
+		printk(KERN_CONT ", Error: Cann't allocate private memory!\n");
 		return -ENOMEM;
 	}
 
@@ -1140,19 +1140,19 @@ static int pci_dio_attach(struct comedi_device *dev,
 	}
 
 	if (!dev->board_ptr) {
-		printk(", Error: Requested type of the card was not found!\n");
+		printk(KERN_CONT ", Error: Requested type of the card was not found!\n");
 		return -EIO;
 	}
 
 	if (comedi_pci_enable(pcidev, driver_pci_dio.driver_name)) {
-		printk
-		    (", Error: Can't enable PCI device and request regions!\n");
+		printk(KERN_CONT ", Error: Can't enable"
+				" PCI device and request regions!\n");
 		return -EIO;
 	}
 	iobase = pci_resource_start(pcidev, this_board->main_pci_region);
-	printk(", b:s:f=%d:%d:%d, io=0x%4lx",
-	       pcidev->bus->number, PCI_SLOT(pcidev->devfn),
-	       PCI_FUNC(pcidev->devfn), iobase);
+	printk(KERN_CONT ", b:s:f=%d:%d:%d, io=0x%4lx",
+			pcidev->bus->number, PCI_SLOT(pcidev->devfn),
+			PCI_FUNC(pcidev->devfn), iobase);
 
 	dev->iobase = iobase;
 	dev->board_name = this_board->name;
@@ -1178,11 +1178,11 @@ static int pci_dio_attach(struct comedi_device *dev,
 
 	ret = alloc_subdevices(dev, n_subdevices);
 	if (ret < 0) {
-		printk(", Error: Cann't allocate subdevice memory!\n");
+		printk(KERN_CONT ", Error: Cann't allocate subdevice memory!\n");
 		return ret;
 	}
 
-	printk(".\n");
+	printk(KERN_CONT ".\n");
 
 	subdev = 0;
 
-- 
1.6.5.2

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