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Date: Thu, 2 Oct 2008 12:59:11 +0600
From: "Rakib Mullick" <rakib.mullick@...il.com>
To: mb@...sch.de
Cc: linux-kernel@...r.kernel.org
Subject: [PATCH] drivers/gpio/bt8xxgpio.c Fix compilation warning.
drivers/gpio/bt8xxgpio.c: In function `bt8xxgpio_remove':
drivers/gpio/bt8xxgpio.c:247: warning: ignoring return value of
`gpiochip_remove', declared with attribute warn_unused_result
Following patch removes the above warning.
Thanks.
Signed-off-by: Md.Rakib H. Mullick (rakib.mullick@...il.com)
--- linux-2.6.27-rc8.orig/drivers/gpio/bt8xxgpio.c 2008-10-01
19:20:59.000000000 +0600
+++ linux-2.6.27-rc8/drivers/gpio/bt8xxgpio.c 2008-10-02
12:30:26.374544032 +0600
@@ -242,9 +242,14 @@ err_freebg:
static void bt8xxgpio_remove(struct pci_dev *pdev)
{
+ int err;
struct bt8xxgpio *bg = pci_get_drvdata(pdev);
- gpiochip_remove(&bg->gpio);
+ err = gpiochip_remove(&bg->gpio);
+ if (err) {
+ printk(KERN_ERR "bt8xxgpio: Resource busy. Failed to remove.\n");
+ return ;
+ }
bgwrite(0, BT848_INT_MASK);
bgwrite(~0x0, BT848_INT_STAT);
--
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