linux-kernel - [PATCH v4 04/13] USB: ch341: fix USB buffer allocations

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Message-Id: <1460754856-27908-5-git-send-email-greg@chown.ath.cx>
Date:	Fri, 15 Apr 2016 23:14:07 +0200
From:	Grigori Goronzy <greg@...wn.ath.cx>
To:	Johan Hovold <johan@...nel.org>
Cc:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
	Grigori Goronzy <greg@...wn.ath.cx>
Subject: [PATCH v4 04/13] USB: ch341: fix USB buffer allocations

Use the correct types and sizes.

v2: use u8 shorthand for unsigned char.

Signed-off-by: Grigori Goronzy <greg@...wn.ath.cx>
---
 drivers/usb/serial/ch341.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/serial/ch341.c b/drivers/usb/serial/ch341.c
index db4b561..95c8a40 100644
--- a/drivers/usb/serial/ch341.c
+++ b/drivers/usb/serial/ch341.c
@@ -115,7 +115,7 @@ static int ch341_control_out(struct usb_device *dev, u8 request,
 
 static int ch341_control_in(struct usb_device *dev,
 			    u8 request, u16 value, u16 index,
-			    char *buf, unsigned bufsize)
+			    u8 *buf, unsigned bufsize)
 {
 	int r;
 
@@ -168,9 +168,9 @@ static int ch341_set_handshake(struct usb_device *dev, u8 control)
 
 static int ch341_get_status(struct usb_device *dev, struct ch341_private *priv)
 {
-	char *buffer;
+	unsigned char *buffer;
 	int r;
-	const unsigned size = 8;
+	const unsigned size = 2;
 	unsigned long flags;
 
 	buffer = kmalloc(size, GFP_KERNEL);
@@ -198,9 +198,9 @@ out:	kfree(buffer);
 
 static int ch341_configure(struct usb_device *dev, struct ch341_private *priv)
 {
-	char *buffer;
+	unsigned char *buffer;
 	int r;
-	const unsigned size = 8;
+	const unsigned size = 2;
 
 	buffer = kmalloc(size, GFP_KERNEL);
 	if (!buffer)
-- 
1.9.1