linux-kernel - [PATCH] usb: yurex: fixed sparse warning of incorrect type

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Date:	Fri, 10 Oct 2014 18:19:45 +0530
From:	Sudip Mukherjee <sudipm.mukherjee@...il.com>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Sudip Mukherjee <sudipm.mukherjee@...il.com>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] usb: yurex: fixed sparse warning of incorrect type

fixed sparse warning of
	1) incorrect type (different address spaces)
	2) incorrect type in initializer

Signed-off-by: Sudip Mukherjee <sudip@...torindia.org>
---
 drivers/usb/misc/yurex.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index c3a45da..343fa6f 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -410,7 +410,8 @@ static int yurex_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static ssize_t yurex_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
+static ssize_t yurex_read(struct file *file, char __user *buffer, size_t count,
+			  loff_t *ppos)
 {
 	struct usb_yurex *dev;
 	int retval = 0;
@@ -444,7 +445,8 @@ exit:
 	return retval;
 }
 
-static ssize_t yurex_write(struct file *file, const char *user_buffer, size_t count, loff_t *ppos)
+static ssize_t yurex_write(struct file *file, const char __user *user_buffer,
+			   size_t count, loff_t *ppos)
 {
 	struct usb_yurex *dev;
 	int i, set = 0, retval = 0;
-- 
1.8.1.2

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