linux-kernel - [PATCH v2 1/2] staging: panel: fix sparse warnings in keypad

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Message-ID: <20140418161008.GB1258@plop.dartybox.com>
Date:	Fri, 18 Apr 2014 18:10:08 +0200
From:	Bastien Armand <armand.bastien@...oste.net>
To:	Willy Tarreau <willy@...a-x.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Monam Agarwal <monamagarwal123@...il.com>,
	Jake Champlin <jake.champlin.27@...il.com>,
	Arnd Bergmann <arnd@...db.de>
Cc:	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] staging: panel: fix sparse warnings in keypad_read

This patch fixes two sparse warnings related to keypad_read :
warning: incorrect type in argument 1 (different address spaces)
warning: incorrect type in initializer (incompatible argument 2 (different address spaces))

Signed-off-by: Bastien Armand <armand.bastien@...oste.net>
---
 drivers/staging/panel/panel.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/panel/panel.c b/drivers/staging/panel/panel.c
index 08f9a48..1569e26 100644
--- a/drivers/staging/panel/panel.c
+++ b/drivers/staging/panel/panel.c
@@ -1571,11 +1571,11 @@ static void lcd_init(void)
  */

 static ssize_t keypad_read(struct file *file,
-			   char *buf, size_t count, loff_t *ppos)
+			   char __user *buf, size_t count, loff_t *ppos)
 {

 	unsigned i = *ppos;
-	char *tmp = buf;
+	char __user *tmp = buf;

 	if (keypad_buflen == 0) {
 		if (file->f_flags & O_NONBLOCK)
--
1.7.10.4

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