USB: kmemdup() cleanup in drivers/usb/

replace open coded kmemdup() to save some screen space,
and allow inlining/not inlining to be triggered by gcc.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

2 files changed, 2 insertions, 4 deletions

diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c
index 1fd9cb85f4ca..5c0a26cbd128 100644
--- a/drivers/usb/misc/emi26.c
+++ b/drivers/usb/misc/emi26.c
@@ -53,13 +53,12 @@ static void __exit emi26_exit (void);
 static int emi26_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request)
 {
         int result;
-        unsigned char *buffer =  kmalloc (length, GFP_KERNEL);
+        unsigned char *buffer =  kmemdup(data, length, GFP_KERNEL);
 
         if (!buffer) {
                 err("emi26: kmalloc(%d) failed.", length);
                 return -ENOMEM;
         }
-        memcpy (buffer, data, length);
         /* Note: usb_control_msg returns negative value on error or length of the
          *               data that was written! */
         result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300);
diff --git a/drivers/usb/misc/emi62.c b/drivers/usb/misc/emi62.c
index fe351371f274..23153eac0dfa 100644
--- a/drivers/usb/misc/emi62.c
+++ b/drivers/usb/misc/emi62.c
@@ -61,13 +61,12 @@ static void __exit emi62_exit (void);
 static int emi62_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request)
 {
         int result;
-        unsigned char *buffer =  kmalloc (length, GFP_KERNEL);
+        unsigned char *buffer =  kmemdup(data, length, GFP_KERNEL);
 
         if (!buffer) {
                 err("emi62: kmalloc(%d) failed.", length);
                 return -ENOMEM;
         }
-        memcpy (buffer, data, length);
         /* Note: usb_control_msg returns negative value on error or length of the
          *               data that was written! */
         result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300);