diff options
Diffstat (limited to 'drivers/usb/misc/emi26.c')
-rw-r--r-- | drivers/usb/misc/emi26.c | 3 |
1 files changed, 1 insertions, 2 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); | |||
53 | static int emi26_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) | 53 | static int emi26_writememory (struct usb_device *dev, int address, unsigned char *data, int length, __u8 request) |
54 | { | 54 | { |
55 | int result; | 55 | int result; |
56 | unsigned char *buffer = kmalloc (length, GFP_KERNEL); | 56 | unsigned char *buffer = kmemdup(data, length, GFP_KERNEL); |
57 | 57 | ||
58 | if (!buffer) { | 58 | if (!buffer) { |
59 | err("emi26: kmalloc(%d) failed.", length); | 59 | err("emi26: kmalloc(%d) failed.", length); |
60 | return -ENOMEM; | 60 | return -ENOMEM; |
61 | } | 61 | } |
62 | memcpy (buffer, data, length); | ||
63 | /* Note: usb_control_msg returns negative value on error or length of the | 62 | /* Note: usb_control_msg returns negative value on error or length of the |
64 | * data that was written! */ | 63 | * data that was written! */ |
65 | result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300); | 64 | result = usb_control_msg (dev, usb_sndctrlpipe(dev, 0), request, 0x40, address, 0, buffer, length, 300); |