@@ -155,9 +155,9 @@ void usb_stream_free(struct usb_stream_kernel *sk)
if (!s)
return;
- free_pages((unsigned long)sk->write_page, get_order(s->write_size));
+ free_pages_exact(sk->write_page, s->write_size);
sk->write_page = NULL;
- free_pages((unsigned long)s, get_order(s->read_size));
+ free_pages_exact(s, s->read_size);
sk->s = NULL;
}
@@ -172,7 +172,6 @@ struct usb_stream *usb_stream_new(struct usb_stream_kernel *sk,
int read_size = sizeof(struct usb_stream);
int write_size;
int usb_frames = dev->speed == USB_SPEED_HIGH ? 8000 : 1000;
- int pg;
in_pipe = usb_rcvisocpipe(dev, in_endpoint);
out_pipe = usb_sndisocpipe(dev, out_endpoint);
@@ -202,11 +201,10 @@ struct usb_stream *usb_stream_new(struct usb_stream_kernel *sk,
goto out;
}
- pg = get_order(read_size);
- sk->s = (void *) __get_free_pages(GFP_KERNEL|__GFP_COMP|__GFP_ZERO|
- __GFP_NOWARN, pg);
+ sk->s = alloc_pages_exact(read_size,
+ GFP_KERNEL | __GFP_ZERO | __GFP_NOWARN);
if (!sk->s) {
- snd_printk(KERN_WARNING "couldn't __get_free_pages()\n");
+ pr_warn("us122l: couldn't allocate read buffer\n");
goto out;
}
sk->s->cfg.version = USB_STREAM_INTERFACE_VERSION;
@@ -221,13 +219,11 @@ struct usb_stream *usb_stream_new(struct usb_stream_kernel *sk,
sk->s->period_size = frame_size * period_frames;
sk->s->write_size = write_size;
- pg = get_order(write_size);
- sk->write_page =
- (void *)__get_free_pages(GFP_KERNEL|__GFP_COMP|__GFP_ZERO|
- __GFP_NOWARN, pg);
+ sk->write_page = alloc_pages_exact(write_size,
+ GFP_KERNEL | __GFP_ZERO | __GFP_NOWARN);
if (!sk->write_page) {
- snd_printk(KERN_WARNING "couldn't __get_free_pages()\n");
+ pr_warn("us122l: couldn't allocate write buffer\n");
usb_stream_free(sk);
return NULL;
}
alloc_pages_exact() is more suitable choice for allocating the sound buffers, as it doesn't need to align with power-of-two. Along with the conversion, we can drop __GFP_COMP as well. The patch also replace the error messages to be more explicit. Signed-off-by: Takashi Iwai <tiwai@suse.de> --- sound/usb/usx2y/usb_stream.c | 20 ++++++++------------ 1 file changed, 8 insertions(+), 12 deletions(-)