From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 22 Oct 2024 10:36:11 +0000
Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM
---
kernel/sound/usb/usx2y/usb_stream.c | 45 ++++++++++++++++++---------------------------
1 files changed, 18 insertions(+), 27 deletions(-)
diff --git a/kernel/sound/usb/usx2y/usb_stream.c b/kernel/sound/usb/usx2y/usb_stream.c
index b0f8979..cff6849 100644
--- a/kernel/sound/usb/usx2y/usb_stream.c
+++ b/kernel/sound/usb/usx2y/usb_stream.c
@@ -1,19 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (C) 2007, 2008 Karsten Wiese <fzu@wemgehoertderstaat.de>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/usb.h>
@@ -104,7 +91,12 @@
for (u = 0; u < USB_STREAM_NURBS; ++u) {
sk->inurb[u] = usb_alloc_urb(sk->n_o_ps, GFP_KERNEL);
+ if (!sk->inurb[u])
+ return -ENOMEM;
+
sk->outurb[u] = usb_alloc_urb(sk->n_o_ps, GFP_KERNEL);
+ if (!sk->outurb[u])
+ return -ENOMEM;
}
if (init_pipe_urbs(sk, use_packsize, sk->inurb, indata, dev, in_pipe) ||
@@ -150,9 +142,12 @@
if (!s)
return;
- free_pages((unsigned long)sk->write_page, get_order(s->write_size));
- sk->write_page = NULL;
- free_pages((unsigned long)s, get_order(s->read_size));
+ if (sk->write_page) {
+ free_pages_exact(sk->write_page, s->write_size);
+ sk->write_page = NULL;
+ }
+
+ free_pages_exact(s, s->read_size);
sk->s = NULL;
}
@@ -167,7 +162,6 @@
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);
@@ -197,11 +191,10 @@
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;
@@ -216,13 +209,11 @@
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;
}
--
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