diff options
| author | Ian Abbott <abbotti@mev.co.uk> | 2013-02-14 16:42:13 +0000 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-02-15 10:17:55 -0800 |
| commit | 0cbfc8269b980adafa7b529bb529a2fc316c5405 (patch) | |
| tree | d540d500b73c201a7fe9dac3a7e676ae7272b704 /drivers/staging | |
| parent | d489082ac690f7cf784e66cfd74f076a361740ba (diff) | |
| download | op-kernel-dev-0cbfc8269b980adafa7b529bb529a2fc316c5405.zip op-kernel-dev-0cbfc8269b980adafa7b529bb529a2fc316c5405.tar.gz | |
staging: comedi: vmk80xx: zero buffers on allocation
Zero out `devpriv->usb_tx_buf` and `devpriv->usb_rx_buf` on allocation.
When sending data to the USB device, this ensures any unused part of the
buffer will not contain random crap.
Signed-off-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
| -rw-r--r-- | drivers/staging/comedi/drivers/vmk80xx.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c index eed46ee..78228f6 100644 --- a/drivers/staging/comedi/drivers/vmk80xx.c +++ b/drivers/staging/comedi/drivers/vmk80xx.c @@ -994,12 +994,12 @@ static int vmk80xx_alloc_usb_buffers(struct comedi_device *dev) size_t size; size = le16_to_cpu(devpriv->ep_rx->wMaxPacketSize); - devpriv->usb_rx_buf = kmalloc(size, GFP_KERNEL); + devpriv->usb_rx_buf = kzalloc(size, GFP_KERNEL); if (!devpriv->usb_rx_buf) return -ENOMEM; size = le16_to_cpu(devpriv->ep_tx->wMaxPacketSize); - devpriv->usb_tx_buf = kmalloc(size, GFP_KERNEL); + devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL); if (!devpriv->usb_tx_buf) { kfree(devpriv->usb_rx_buf); return -ENOMEM; |
