linux-kernel - [POC][PATCH 14/83] proc_dev_atm_read(): get rid of pointless casts

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Date:	Mon, 21 Dec 2015 23:46:47 +0000
From:	Al Viro <viro@...IV.linux.org.uk>
To:	linux-kernel@...r.kernel.org
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>
Subject: [POC][PATCH 14/83] proc_dev_atm_read(): get rid of pointless casts

From: Al Viro <viro@...iv.linux.org.uk>

Signed-off-by: Al Viro <viro@...iv.linux.org.uk>
---
 net/atm/proc.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/net/atm/proc.c b/net/atm/proc.c
index cf8993a..d04e11f 100644
--- a/net/atm/proc.c
+++ b/net/atm/proc.c
@@ -377,28 +377,28 @@ static ssize_t proc_dev_atm_read(struct file *file, char __user *buf,
 				 size_t count, loff_t *pos)
 {
 	struct atm_dev *dev;
-	unsigned long page;
+	char *page;
 	int length;
 
 	if (count == 0)
 		return 0;
-	page = (unsigned long)get_zeroed_page(GFP_KERNEL);
+	page = get_zeroed_page(GFP_KERNEL);
 	if (!page)
 		return -ENOMEM;
 	dev = PDE_DATA(file_inode(file));
 	if (!dev->ops->proc_read)
 		length = -EINVAL;
 	else {
-		length = dev->ops->proc_read(dev, pos, (char *)page);
+		length = dev->ops->proc_read(dev, pos, page);
 		if (length > count)
 			length = -EINVAL;
 	}
 	if (length >= 0) {
-		if (copy_to_user(buf, (char *)page, length))
+		if (copy_to_user(buf, page, length))
 			length = -EFAULT;
 		(*pos)++;
 	}
-	free_page((void *)page);
+	free_page(page);
 	return length;
 }
 
-- 
2.1.4

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