From cde9070d9970eef1f7ec2360586c802a16230ad8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:50 +0000
Subject: [PATCH] rtl88x2CE_WiFi_linux driver
---
kernel/drivers/isdn/mISDN/dsp_pipeline.c | 74 ++++---------------------------------
1 files changed, 8 insertions(+), 66 deletions(-)
diff --git a/kernel/drivers/isdn/mISDN/dsp_pipeline.c b/kernel/drivers/isdn/mISDN/dsp_pipeline.c
index e72b4e7..cfbcd9e 100644
--- a/kernel/drivers/isdn/mISDN/dsp_pipeline.c
+++ b/kernel/drivers/isdn/mISDN/dsp_pipeline.c
@@ -1,27 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* dsp_pipeline.c: pipelined audio processing
*
* Copyright (C) 2007, Nadi Sarrar
*
* Nadi Sarrar <nadi@beronet.com>
- *
- * 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., 59
- * Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
- * The full GNU General Public License is included in this distribution in the
- * file called LICENSE.
- *
*/
#include <linux/kernel.h>
@@ -33,9 +16,6 @@
#include <linux/export.h>
#include "dsp.h"
#include "dsp_hwec.h"
-
-/* uncomment for debugging */
-/*#define PIPELINE_DEBUG*/
struct dsp_pipeline_entry {
struct mISDN_dsp_element *elem;
@@ -97,6 +77,7 @@
if (!entry)
return -ENOMEM;
+ INIT_LIST_HEAD(&entry->list);
entry->elem = elem;
entry->dev.class = elements_class;
@@ -121,17 +102,13 @@
}
}
-#ifdef PIPELINE_DEBUG
- printk(KERN_DEBUG "%s: %s registered\n", __func__, elem->name);
-#endif
-
return 0;
err2:
device_unregister(&entry->dev);
return ret;
err1:
- kfree(entry);
+ put_device(&entry->dev);
return ret;
}
EXPORT_SYMBOL(mISDN_dsp_element_register);
@@ -146,10 +123,6 @@
list_for_each_entry_safe(entry, n, &dsp_elements, list)
if (entry->elem == elem) {
device_unregister(&entry->dev);
-#ifdef PIPELINE_DEBUG
- printk(KERN_DEBUG "%s: %s unregistered\n",
- __func__, elem->name);
-#endif
return;
}
printk(KERN_ERR "%s: element %s not in list.\n", __func__, elem->name);
@@ -161,10 +134,6 @@
elements_class = class_create(THIS_MODULE, "dsp_pipeline");
if (IS_ERR(elements_class))
return PTR_ERR(elements_class);
-
-#ifdef PIPELINE_DEBUG
- printk(KERN_DEBUG "%s: dsp pipeline module initialized\n", __func__);
-#endif
dsp_hwec_init();
@@ -185,10 +154,6 @@
__func__, entry->elem->name);
kfree(entry);
}
-
-#ifdef PIPELINE_DEBUG
- printk(KERN_DEBUG "%s: dsp pipeline module exited\n", __func__);
-#endif
}
int dsp_pipeline_init(struct dsp_pipeline *pipeline)
@@ -197,10 +162,6 @@
return -EINVAL;
INIT_LIST_HEAD(&pipeline->list);
-
-#ifdef PIPELINE_DEBUG
- printk(KERN_DEBUG "%s: dsp pipeline ready\n", __func__);
-#endif
return 0;
}
@@ -227,16 +188,12 @@
return;
_dsp_pipeline_destroy(pipeline);
-
-#ifdef PIPELINE_DEBUG
- printk(KERN_DEBUG "%s: dsp pipeline destroyed\n", __func__);
-#endif
}
int dsp_pipeline_build(struct dsp_pipeline *pipeline, const char *cfg)
{
- int incomplete = 0, found = 0;
- char *dup, *tok, *name, *args;
+ int found = 0;
+ char *dup, *next, *tok, *name, *args;
struct dsp_element_entry *entry, *n;
struct dsp_pipeline_entry *pipeline_entry;
struct mISDN_dsp_element *elem;
@@ -247,10 +204,10 @@
if (!list_empty(&pipeline->list))
_dsp_pipeline_destroy(pipeline);
- dup = kstrdup(cfg, GFP_ATOMIC);
+ dup = next = kstrdup(cfg, GFP_ATOMIC);
if (!dup)
return 0;
- while ((tok = strsep(&dup, "|"))) {
+ while ((tok = strsep(&next, "|"))) {
if (!strlen(tok))
continue;
name = strsep(&tok, "(");
@@ -268,7 +225,6 @@
printk(KERN_ERR "%s: failed to add "
"entry to pipeline: %s (out of "
"memory)\n", __func__, elem->name);
- incomplete = 1;
goto _out;
}
pipeline_entry->elem = elem;
@@ -285,20 +241,12 @@
if (pipeline_entry->p) {
list_add_tail(&pipeline_entry->
list, &pipeline->list);
-#ifdef PIPELINE_DEBUG
- printk(KERN_DEBUG "%s: created "
- "instance of %s%s%s\n",
- __func__, name, args ?
- " with args " : "", args ?
- args : "");
-#endif
} else {
printk(KERN_ERR "%s: failed "
"to add entry to pipeline: "
"%s (new() returned NULL)\n",
__func__, elem->name);
kfree(pipeline_entry);
- incomplete = 1;
}
}
found = 1;
@@ -307,11 +255,9 @@
if (found)
found = 0;
- else {
+ else
printk(KERN_ERR "%s: element not found, skipping: "
"%s\n", __func__, name);
- incomplete = 1;
- }
}
_out:
@@ -320,10 +266,6 @@
else
pipeline->inuse = 0;
-#ifdef PIPELINE_DEBUG
- printk(KERN_DEBUG "%s: dsp pipeline built%s: %s\n",
- __func__, incomplete ? " incomplete" : "", cfg);
-#endif
kfree(dup);
return 0;
}
--
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