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From: Andrew Morton <akpm@linux-foundation.org>
To: Rakib Mullick <rakib.mullick@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
	"Michael H. Warfield" <mhw@wittsend.com>
Subject: Re: [PATCH] ip2: Remove #ifdef MODULE from ip2main.c
Date: Thu, 3 Dec 2009 20:14:33 -0800	[thread overview]
Message-ID: <20091203201433.bea0f893.akpm@linux-foundation.org> (raw)
In-Reply-To: <b9df5fa10912010102p405b429dg102843fe88932b9d@mail.gmail.com>

On Tue, 1 Dec 2009 15:02:56 +0600 Rakib Mullick <rakib.mullick@gmail.com> wrote:

> >From kernel command line we can pass "module parameters".
> So #ifdef MODULE is obsolute now. Remove it completely.
> When CONFIG_PCI=n and building ip2main.c then we are hit
> by the following warning. So move *pdev into #ifdef CONFIG_PCI.
> 
> drivers/char/ip2/ip2main.c: In function `ip2_loadmain':
> drivers/char/ip2/ip2main.c:542: warning: unused variable `pdev'

x86_64 allmodconfig:

drivers/char/ip2/ip2main.c: In function 'ip2_loadmain':
drivers/char/ip2/ip2main.c:657: error: 'pdev' undeclared (first use in this function)
drivers/char/ip2/ip2main.c:657: error: (Each undeclared identifier is reported only once
drivers/char/ip2/ip2main.c:657: error: for each function it appears in.)


I suppose this:

--- a/drivers/char/ip2/ip2main.c~ip2-remove-ifdef-module-from-ip2mainc-fix
+++ a/drivers/char/ip2/ip2main.c
@@ -636,6 +636,7 @@ static int __init ip2_loadmain(void)
 				dev_err(&pdev->dev, "I/O address error\n");
 
 			ip2config.irq[i] = pdev->irq;
+			pci_dev_put(pdev);
 		}
 #else
 			printk(KERN_ERR "IP2: PCI card specified but PCI "
@@ -654,7 +655,6 @@ static int __init ip2_loadmain(void)
 			break;
 		}	/* switch */
 	}	/* for */
-	pci_dev_put(pdev);
 
 	for (i = 0; i < IP2_MAX_BOARDS; ++i) {
 		if (ip2config.addr[i]) {
_

but it needs checking - does pci_get_device() need a balancing pci_dev_put()?

  parent reply	other threads:[~2009-12-04  4:14 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-12-01  9:02 [PATCH] ip2: Remove #ifdef MODULE from ip2main.c Rakib Mullick
2009-12-01 15:00 ` Michael H. Warfield
2009-12-04  4:14 ` Andrew Morton [this message]
2009-12-04  9:37   ` Rakib Mullick

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