From 61598093bbdd283a7edc367d900f223070ead8d2 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:43:03 +0000
Subject: [PATCH] add ax88772C AX88772C_eeprom_tools

---
 kernel/drivers/usb/gadget/function/rndis.c |   35 ++++++++++++++++++-----------------
 1 files changed, 18 insertions(+), 17 deletions(-)

diff --git a/kernel/drivers/usb/gadget/function/rndis.c b/kernel/drivers/usb/gadget/function/rndis.c
index 970ed15..abb0ce0 100644
--- a/kernel/drivers/usb/gadget/function/rndis.c
+++ b/kernel/drivers/usb/gadget/function/rndis.c
@@ -63,6 +63,8 @@
 
 static DEFINE_IDA(rndis_ida);
 
+static DEFINE_SPINLOCK(resp_lock);
+
 /* Driver Version */
 static const __le32 rndis_driver_version = cpu_to_le32(1);
 
@@ -72,7 +74,7 @@
 
 #ifdef CONFIG_USB_GADGET_DEBUG_FILES
 
-static const struct file_operations rndis_proc_fops;
+static const struct proc_ops rndis_proc_ops;
 
 #endif /* CONFIG_USB_GADGET_DEBUG_FILES */
 
@@ -640,6 +642,7 @@
 	BufLength = le32_to_cpu(buf->InformationBufferLength);
 	BufOffset = le32_to_cpu(buf->InformationBufferOffset);
 	if ((BufLength > RNDIS_MAX_TOTAL_SIZE) ||
+	    (BufOffset > RNDIS_MAX_TOTAL_SIZE) ||
 	    (BufOffset + 8 >= RNDIS_MAX_TOTAL_SIZE))
 		    return -EINVAL;
 
@@ -905,7 +908,7 @@
 
 		sprintf(name, NAME_TEMPLATE, i);
 		proc_entry = proc_create_data(name, 0660, NULL,
-					      &rndis_proc_fops, params);
+					      &rndis_proc_ops, params);
 		if (!proc_entry) {
 			kfree(params);
 			rndis_put_nr(i);
@@ -922,7 +925,6 @@
 	params->resp_avail = resp_avail;
 	params->v = v;
 	INIT_LIST_HEAD(&params->resp_queue);
-	spin_lock_init(&params->resp_lock);
 	pr_debug("%s: configNr = %d\n", __func__, i);
 
 	return params;
@@ -1016,14 +1018,14 @@
 {
 	rndis_resp_t *r, *n;
 
-	spin_lock(&params->resp_lock);
+	spin_lock(&resp_lock);
 	list_for_each_entry_safe(r, n, &params->resp_queue, list) {
 		if (r->buf == buf) {
 			list_del(&r->list);
 			kfree(r);
 		}
 	}
-	spin_unlock(&params->resp_lock);
+	spin_unlock(&resp_lock);
 }
 EXPORT_SYMBOL_GPL(rndis_free_response);
 
@@ -1033,17 +1035,17 @@
 
 	if (!length) return NULL;
 
-	spin_lock(&params->resp_lock);
+	spin_lock(&resp_lock);
 	list_for_each_entry_safe(r, n, &params->resp_queue, list) {
 		if (!r->send) {
 			r->send = 1;
 			*length = r->length;
-			spin_unlock(&params->resp_lock);
+			spin_unlock(&resp_lock);
 			return r->buf;
 		}
 	}
 
-	spin_unlock(&params->resp_lock);
+	spin_unlock(&resp_lock);
 	return NULL;
 }
 EXPORT_SYMBOL_GPL(rndis_get_next_response);
@@ -1060,9 +1062,9 @@
 	r->length = length;
 	r->send = 0;
 
-	spin_lock(&params->resp_lock);
+	spin_lock(&resp_lock);
 	list_add_tail(&r->list, &params->resp_queue);
-	spin_unlock(&params->resp_lock);
+	spin_unlock(&resp_lock);
 	return r;
 }
 
@@ -1175,13 +1177,12 @@
 	return single_open(file, rndis_proc_show, PDE_DATA(inode));
 }
 
-static const struct file_operations rndis_proc_fops = {
-	.owner		= THIS_MODULE,
-	.open		= rndis_proc_open,
-	.read		= seq_read,
-	.llseek		= seq_lseek,
-	.release	= single_release,
-	.write		= rndis_proc_write,
+static const struct proc_ops rndis_proc_ops = {
+	.proc_open	= rndis_proc_open,
+	.proc_read	= seq_read,
+	.proc_lseek	= seq_lseek,
+	.proc_release	= single_release,
+	.proc_write	= rndis_proc_write,
 };
 
 #define	NAME_TEMPLATE "driver/rndis-%03d"

--
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