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-rw-r--r--drivers/usb/atm/ueagle-atm.c10
-rw-r--r--drivers/usb/misc/emi26.c3
-rw-r--r--drivers/usb/misc/emi62.c3
-rw-r--r--drivers/usb/serial/ezusb.c3
-rw-r--r--drivers/usb/serial/ipw.c3
5 files changed, 7 insertions, 15 deletions
diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c
index f6b9f7e1f71..c137c041f7a 100644
--- a/drivers/usb/atm/ueagle-atm.c
+++ b/drivers/usb/atm/ueagle-atm.c
@@ -401,9 +401,8 @@ static int uea_send_modem_cmd(struct usb_device *usb,
int ret = -ENOMEM;
u8 *xfer_buff;
- xfer_buff = kmalloc(size, GFP_KERNEL);
+ xfer_buff = kmemdup(buff, size, GFP_KERNEL);
if (xfer_buff) {
- memcpy(xfer_buff, buff, size);
ret = usb_control_msg(usb,
usb_sndctrlpipe(usb, 0),
LOAD_INTERNAL,
@@ -595,14 +594,12 @@ static int uea_idma_write(struct uea_softc *sc, void *data, u32 size)
u8 *xfer_buff;
int bytes_read;
- xfer_buff = kmalloc(size, GFP_KERNEL);
+ xfer_buff = kmemdup(data, size, GFP_KERNEL);
if (!xfer_buff) {
uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
return ret;
}
- memcpy(xfer_buff, data, size);
-
ret = usb_bulk_msg(sc->usb_dev,
usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE),
xfer_buff, size, &bytes_read, BULK_TIMEOUT);
@@ -765,12 +762,11 @@ static int uea_request(struct uea_softc *sc,
u8 *xfer_buff;
int ret = -ENOMEM;
- xfer_buff = kmalloc(size, GFP_KERNEL);
+ xfer_buff = kmemdup(data, size, GFP_KERNEL);
if (!xfer_buff) {
uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
return ret;
}
- memcpy(xfer_buff, data, size);
ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0),
UCDC_SEND_ENCAPSULATED_COMMAND,
diff --git a/drivers/usb/misc/emi26.c b/drivers/usb/misc/emi26.c
index 1fd9cb85f4c..5c0a26cbd12 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 fe351371f27..23153eac0df 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);
diff --git a/drivers/usb/serial/ezusb.c b/drivers/usb/serial/ezusb.c
index 5169c2d154a..97ee718b1da 100644
--- a/drivers/usb/serial/ezusb.c
+++ b/drivers/usb/serial/ezusb.c
@@ -31,12 +31,11 @@ int ezusb_writememory (struct usb_serial *serial, int address, unsigned char *da
return -ENODEV;
}
- transfer_buffer = kmalloc (length, GFP_KERNEL);
+ transfer_buffer = kmemdup(data, length, GFP_KERNEL);
if (!transfer_buffer) {
dev_err(&serial->dev->dev, "%s - kmalloc(%d) failed.\n", __FUNCTION__, length);
return -ENOMEM;
}
- memcpy (transfer_buffer, data, length);
result = usb_control_msg (serial->dev, usb_sndctrlpipe(serial->dev, 0), bRequest, 0x40, address, 0, transfer_buffer, length, 3000);
kfree (transfer_buffer);
return result;
diff --git a/drivers/usb/serial/ipw.c b/drivers/usb/serial/ipw.c
index 2a4bb66691a..d3b9a351cef 100644
--- a/drivers/usb/serial/ipw.c
+++ b/drivers/usb/serial/ipw.c
@@ -206,10 +206,9 @@ static int ipw_open(struct usb_serial_port *port, struct file *filp)
dbg("%s", __FUNCTION__);
- buf_flow_init = kmalloc(16, GFP_KERNEL);
+ buf_flow_init = kmemdup(buf_flow_static, 16, GFP_KERNEL);
if (!buf_flow_init)
return -ENOMEM;
- memcpy(buf_flow_init, buf_flow_static, 16);
if (port->tty)
port->tty->low_latency = 1;