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path: root/drivers/usb/misc/emi62.c
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Diffstat (limited to 'drivers/usb/misc/emi62.c')
-rw-r--r--drivers/usb/misc/emi62.c3
1 files changed, 1 insertions, 2 deletions
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);
61static int emi62_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) 61static int emi62_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request)
62{ 62{
63 int result; 63 int result;
64 unsigned char *buffer = kmalloc (length, GFP_KERNEL); 64 unsigned char *buffer = kmemdup(data, length, GFP_KERNEL);
65 65
66 if (!buffer) { 66 if (!buffer) {
67 err("emi62: kmalloc(%d) failed.", length); 67 err("emi62: kmalloc(%d) failed.", length);
68 return -ENOMEM; 68 return -ENOMEM;
69 } 69 }
70 memcpy (buffer, data, length);
71 /* Note: usb_control_msg returns negative value on error or length of the 70 /* Note: usb_control_msg returns negative value on error or length of the
72 * data that was written! */ 71 * data that was written! */
73 result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300); 72 result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300);