diff options
| author | Takashi Iwai <tiwai@suse.de> | 2019-03-16 10:48:52 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2019-03-27 19:15:04 +0300 |
| commit | 36b8defc447627c3e91058c43941ec15d827556e (patch) | |
| tree | b0acfaf2861c693c31418435d07eea75c6d7c0ef /sound/usb | |
| parent | 734b5a0bbdf43518e6739c8156a985e385e557fe (diff) | |
| download | linux-36b8defc447627c3e91058c43941ec15d827556e.tar.xz | |
ALSA: us122l: Use alloc_pages_exact()
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.
Acked-by: Michal Hocko <mhocko@suse.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/usx2y/usb_stream.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/sound/usb/usx2y/usb_stream.c b/sound/usb/usx2y/usb_stream.c index 221adf68bd0c..51d73111263a 100644 --- a/sound/usb/usx2y/usb_stream.c +++ b/sound/usb/usx2y/usb_stream.c @@ -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; } |