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/xen/pvcalls-back.c | 17 ++++++++---------
1 files changed, 8 insertions(+), 9 deletions(-)
diff --git a/kernel/drivers/xen/pvcalls-back.c b/kernel/drivers/xen/pvcalls-back.c
index a7d293f..3c435e1 100644
--- a/kernel/drivers/xen/pvcalls-back.c
+++ b/kernel/drivers/xen/pvcalls-back.c
@@ -129,13 +129,13 @@
if (masked_prod < masked_cons) {
vec[0].iov_base = data->in + masked_prod;
vec[0].iov_len = wanted;
- iov_iter_kvec(&msg.msg_iter, WRITE, vec, 1, wanted);
+ iov_iter_kvec(&msg.msg_iter, READ, vec, 1, wanted);
} else {
vec[0].iov_base = data->in + masked_prod;
vec[0].iov_len = array_size - masked_prod;
vec[1].iov_base = data->in;
vec[1].iov_len = wanted - vec[0].iov_len;
- iov_iter_kvec(&msg.msg_iter, WRITE, vec, 2, wanted);
+ iov_iter_kvec(&msg.msg_iter, READ, vec, 2, wanted);
}
atomic_set(&map->read, 0);
@@ -188,13 +188,13 @@
if (pvcalls_mask(prod, array_size) > pvcalls_mask(cons, array_size)) {
vec[0].iov_base = data->out + pvcalls_mask(cons, array_size);
vec[0].iov_len = size;
- iov_iter_kvec(&msg.msg_iter, READ, vec, 1, size);
+ iov_iter_kvec(&msg.msg_iter, WRITE, vec, 1, size);
} else {
vec[0].iov_base = data->out + pvcalls_mask(cons, array_size);
vec[0].iov_len = array_size - pvcalls_mask(cons, array_size);
vec[1].iov_base = data->out;
vec[1].iov_len = size - vec[0].iov_len;
- iov_iter_kvec(&msg.msg_iter, READ, vec, 2, size);
+ iov_iter_kvec(&msg.msg_iter, WRITE, vec, 2, size);
}
atomic_set(&map->write, 0);
@@ -321,8 +321,10 @@
void *page;
map = kzalloc(sizeof(*map), GFP_KERNEL);
- if (map == NULL)
+ if (map == NULL) {
+ sock_release(sock);
return NULL;
+ }
map->fedata = fedata;
map->sock = sock;
@@ -414,10 +416,8 @@
req->u.connect.ref,
req->u.connect.evtchn,
sock);
- if (!map) {
+ if (!map)
ret = -EFAULT;
- sock_release(sock);
- }
out:
rsp = RING_GET_RESPONSE(&fedata->ring, fedata->ring.rsp_prod_pvt++);
@@ -558,7 +558,6 @@
sock);
if (!map) {
ret = -EFAULT;
- sock_release(sock);
goto out_error;
}
--
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