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authorTomoki Sekiyama <tomoki.sekiyama@gmail.com>2012-03-30 03:51:28 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-04-19 01:13:53 +0400
commit523fc5c14f6cad283e5a266eba0e343aed6e73d5 (patch)
tree27c657a8eb9d3391790b5c54579999a420dd9d2c /drivers/usb
parentf4a728d09a96d6a83d9c3f39035b1aa7726892ea (diff)
downloadlinux-523fc5c14f6cad283e5a266eba0e343aed6e73d5.tar.xz
USB: yurex: Remove allocation of coherent buffer for setup-packet buffer
Removes allocation of coherent buffer for the control-request setup-packet buffer from the yurex driver. Using coherent buffers for setup-packet is obsolete and does not work with some USB host implementations. Signed-off-by: Tomoki Sekiyama <tomoki.sekiyama@gmail.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/misc/yurex.c8
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index 897edda42270..a4a76fcd41cd 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -99,9 +99,7 @@ static void yurex_delete(struct kref *kref)
usb_put_dev(dev->udev);
if (dev->cntl_urb) {
usb_kill_urb(dev->cntl_urb);
- if (dev->cntl_req)
- usb_free_coherent(dev->udev, YUREX_BUF_SIZE,
- dev->cntl_req, dev->cntl_urb->setup_dma);
+ kfree(dev->cntl_req);
if (dev->cntl_buffer)
usb_free_coherent(dev->udev, YUREX_BUF_SIZE,
dev->cntl_buffer, dev->cntl_urb->transfer_dma);
@@ -234,9 +232,7 @@ static int yurex_probe(struct usb_interface *interface, const struct usb_device_
}
/* allocate buffer for control req */
- dev->cntl_req = usb_alloc_coherent(dev->udev, YUREX_BUF_SIZE,
- GFP_KERNEL,
- &dev->cntl_urb->setup_dma);
+ dev->cntl_req = kmalloc(YUREX_BUF_SIZE, GFP_KERNEL);
if (!dev->cntl_req) {
err("Could not allocate cntl_req");
goto error;