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-rw-r--r--arch/um/drivers/chan_kern.c12
-rw-r--r--arch/um/drivers/daemon_kern.c2
-rw-r--r--arch/um/drivers/daemon_user.c17
-rw-r--r--arch/um/drivers/line.c6
-rw-r--r--arch/um/drivers/mcast_kern.c2
-rw-r--r--arch/um/drivers/mcast_user.c10
-rw-r--r--arch/um/drivers/mconsole_kern.c3
-rw-r--r--arch/um/drivers/net_kern.c2
-rw-r--r--arch/um/drivers/pcap_kern.c2
-rw-r--r--arch/um/drivers/slip_kern.c2
-rw-r--r--arch/um/drivers/slirp_kern.c2
-rw-r--r--arch/um/drivers/ssl.c2
-rw-r--r--arch/um/drivers/stdio_console.c2
-rw-r--r--arch/um/drivers/ubd_kern.c13
14 files changed, 45 insertions, 32 deletions
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 7b8baf146acc..9fdfad649536 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -236,11 +236,11 @@ void free_irqs(void)
struct chan *chan;
LIST_HEAD(list);
struct list_head *ele;
+ unsigned long flags;
- spin_lock_irq(&irqs_to_free_lock);
+ spin_lock_irqsave(&irqs_to_free_lock, flags);
list_splice_init(&irqs_to_free, &list);
- INIT_LIST_HEAD(&irqs_to_free);
- spin_unlock_irq(&irqs_to_free_lock);
+ spin_unlock_irqrestore(&irqs_to_free_lock, flags);
list_for_each(ele, &list){
chan = list_entry(ele, struct chan, free_list);
@@ -255,13 +255,15 @@ void free_irqs(void)
static void close_one_chan(struct chan *chan, int delay_free_irq)
{
+ unsigned long flags;
+
if(!chan->opened)
return;
if(delay_free_irq){
- spin_lock_irq(&irqs_to_free_lock);
+ spin_lock_irqsave(&irqs_to_free_lock, flags);
list_add(&chan->free_list, &irqs_to_free);
- spin_unlock_irq(&irqs_to_free_lock);
+ spin_unlock_irqrestore(&irqs_to_free_lock, flags);
}
else {
if(chan->input)
diff --git a/arch/um/drivers/daemon_kern.c b/arch/um/drivers/daemon_kern.c
index 9c2e7a758f21..adeece11e596 100644
--- a/arch/um/drivers/daemon_kern.c
+++ b/arch/um/drivers/daemon_kern.c
@@ -46,7 +46,7 @@ static int daemon_read(int fd, struct sk_buff **skb,
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
if(*skb == NULL) return(-ENOMEM);
- return(net_recvfrom(fd, (*skb)->mac.raw,
+ return(net_recvfrom(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + ETH_HEADER_OTHER));
}
diff --git a/arch/um/drivers/daemon_user.c b/arch/um/drivers/daemon_user.c
index 310af0f1e49e..021b82c7a759 100644
--- a/arch/um/drivers/daemon_user.c
+++ b/arch/um/drivers/daemon_user.c
@@ -56,30 +56,31 @@ static int connect_to_switch(struct daemon_data *pri)
pri->control = socket(AF_UNIX, SOCK_STREAM, 0);
if(pri->control < 0){
+ err = -errno;
printk("daemon_open : control socket failed, errno = %d\n",
- errno);
- return(-errno);
+ -err);
+ return err;
}
if(connect(pri->control, (struct sockaddr *) ctl_addr,
sizeof(*ctl_addr)) < 0){
- printk("daemon_open : control connect failed, errno = %d\n",
- errno);
err = -errno;
+ printk("daemon_open : control connect failed, errno = %d\n",
+ -err);
goto out;
}
fd = socket(AF_UNIX, SOCK_DGRAM, 0);
if(fd < 0){
- printk("daemon_open : data socket failed, errno = %d\n",
- errno);
err = -errno;
+ printk("daemon_open : data socket failed, errno = %d\n",
+ -err);
goto out;
}
if(bind(fd, (struct sockaddr *) local_addr, sizeof(*local_addr)) < 0){
- printk("daemon_open : data bind failed, errno = %d\n",
- errno);
err = -errno;
+ printk("daemon_open : data bind failed, errno = %d\n",
+ -err);
goto out_close;
}
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 01d4ab6b0ef1..f75d7b05c481 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -370,10 +370,10 @@ static irqreturn_t line_write_interrupt(int irq, void *data)
struct tty_struct *tty = line->tty;
int err;
- /* Interrupts are enabled here because we registered the interrupt with
+ /* Interrupts are disabled here because we registered the interrupt with
* IRQF_DISABLED (see line_setup_irq).*/
- spin_lock_irq(&line->lock);
+ spin_lock(&line->lock);
err = flush_buffer(line);
if (err == 0) {
return IRQ_NONE;
@@ -381,7 +381,7 @@ static irqreturn_t line_write_interrupt(int irq, void *data)
line->head = line->buffer;
line->tail = line->buffer;
}
- spin_unlock_irq(&line->lock);
+ spin_unlock(&line->lock);
if(tty == NULL)
return IRQ_NONE;
diff --git a/arch/um/drivers/mcast_kern.c b/arch/um/drivers/mcast_kern.c
index 52ccb7b53cd2..e6b8e0dd72a8 100644
--- a/arch/um/drivers/mcast_kern.c
+++ b/arch/um/drivers/mcast_kern.c
@@ -50,7 +50,7 @@ static int mcast_read(int fd, struct sk_buff **skb, struct uml_net_private *lp)
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
if(*skb == NULL) return(-ENOMEM);
- return(net_recvfrom(fd, (*skb)->mac.raw,
+ return(net_recvfrom(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + ETH_HEADER_OTHER));
}
diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c
index 8138f5ea1bf7..b827e82884c9 100644
--- a/arch/um/drivers/mcast_user.c
+++ b/arch/um/drivers/mcast_user.c
@@ -50,6 +50,14 @@ static void mcast_user_init(void *data, void *dev)
pri->dev = dev;
}
+static void mcast_remove(void *data)
+{
+ struct mcast_data *pri = data;
+
+ kfree(pri->mcast_addr);
+ pri->mcast_addr = NULL;
+}
+
static int mcast_open(void *data)
{
struct mcast_data *pri = data;
@@ -157,7 +165,7 @@ const struct net_user_info mcast_user_info = {
.init = mcast_user_init,
.open = mcast_open,
.close = mcast_close,
- .remove = NULL,
+ .remove = mcast_remove,
.set_mtu = mcast_set_mtu,
.add_address = NULL,
.delete_address = NULL,
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index 178b2eff4a8c..65ad2932672c 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -615,6 +615,9 @@ void mconsole_remove(struct mc_request *req)
err_msg = NULL;
err = (*dev->remove)(n, &err_msg);
switch(err){
+ case 0:
+ err_msg = "";
+ break;
case -ENODEV:
if(err_msg == NULL)
err_msg = "Device doesn't exist";
diff --git a/arch/um/drivers/net_kern.c b/arch/um/drivers/net_kern.c
index 04e31f86c10a..859303730b2f 100644
--- a/arch/um/drivers/net_kern.c
+++ b/arch/um/drivers/net_kern.c
@@ -55,7 +55,7 @@ static int uml_net_rx(struct net_device *dev)
skb->dev = dev;
skb_put(skb, dev->mtu);
- skb->mac.raw = skb->data;
+ skb_reset_mac_header(skb);
pkt_len = (*lp->read)(lp->fd, &skb, lp);
if (pkt_len > 0) {
diff --git a/arch/um/drivers/pcap_kern.c b/arch/um/drivers/pcap_kern.c
index e67362acf0e7..948849343ca4 100644
--- a/arch/um/drivers/pcap_kern.c
+++ b/arch/um/drivers/pcap_kern.c
@@ -36,7 +36,7 @@ static int pcap_read(int fd, struct sk_buff **skb,
{
*skb = ether_adjust_skb(*skb, ETH_HEADER_OTHER);
if(*skb == NULL) return(-ENOMEM);
- return(pcap_user_read(fd, (*skb)->mac.raw,
+ return(pcap_user_read(fd, skb_mac_header(*skb),
(*skb)->dev->mtu + ETH_HEADER_OTHER,
(struct pcap_data *) &lp->user));
}
diff --git a/arch/um/drivers/slip_kern.c b/arch/um/drivers/slip_kern.c
index 25634bd1f585..125c44f77638 100644
--- a/arch/um/drivers/slip_kern.c
+++ b/arch/um/drivers/slip_kern.c
@@ -49,7 +49,7 @@ static unsigned short slip_protocol(struct sk_buff *skbuff)
static int slip_read(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
- return(slip_user_read(fd, (*skb)->mac.raw, (*skb)->dev->mtu,
+ return(slip_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu,
(struct slip_data *) &lp->user));
}
diff --git a/arch/um/drivers/slirp_kern.c b/arch/um/drivers/slirp_kern.c
index b3ed8fb874ab..0a0324a6d290 100644
--- a/arch/um/drivers/slirp_kern.c
+++ b/arch/um/drivers/slirp_kern.c
@@ -53,7 +53,7 @@ static unsigned short slirp_protocol(struct sk_buff *skbuff)
static int slirp_read(int fd, struct sk_buff **skb,
struct uml_net_private *lp)
{
- return(slirp_user_read(fd, (*skb)->mac.raw, (*skb)->dev->mtu,
+ return(slirp_user_read(fd, skb_mac_header(*skb), (*skb)->dev->mtu,
(struct slirp_data *) &lp->user));
}
diff --git a/arch/um/drivers/ssl.c b/arch/um/drivers/ssl.c
index fc22b9bd9153..4b382a6e710f 100644
--- a/arch/um/drivers/ssl.c
+++ b/arch/um/drivers/ssl.c
@@ -179,7 +179,7 @@ static struct console ssl_cons = {
.write = ssl_console_write,
.device = ssl_console_device,
.setup = ssl_console_setup,
- .flags = CON_PRINTBUFFER,
+ .flags = CON_PRINTBUFFER|CON_ANYTIME,
.index = -1,
};
diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c
index 7ff0b0fc37e7..76d1f1c980ef 100644
--- a/arch/um/drivers/stdio_console.c
+++ b/arch/um/drivers/stdio_console.c
@@ -153,7 +153,7 @@ static struct console stdiocons = {
.write = uml_console_write,
.device = uml_console_device,
.setup = uml_console_setup,
- .flags = CON_PRINTBUFFER,
+ .flags = CON_PRINTBUFFER|CON_ANYTIME,
.index = -1,
};
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index f98d26e51381..8bd9204ac1ab 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -109,10 +109,6 @@ static inline void ubd_set_bit(__u64 bit, unsigned char *data)
static DEFINE_MUTEX(ubd_lock);
-/* XXX - this made sense in 2.4 days, now it's only used as a boolean, and
- * probably it doesn't make sense even for that. */
-static int do_ubd;
-
static int ubd_open(struct inode * inode, struct file * filp);
static int ubd_release(struct inode * inode, struct file * file);
static int ubd_ioctl(struct inode * inode, struct file * file,
@@ -169,6 +165,7 @@ struct ubd {
struct platform_device pdev;
struct request_queue *queue;
spinlock_t lock;
+ int active;
};
#define DEFAULT_COW { \
@@ -190,6 +187,7 @@ struct ubd {
.shared = 0, \
.cow = DEFAULT_COW, \
.lock = SPIN_LOCK_UNLOCKED, \
+ .active = 0, \
}
/* Protected by ubd_lock */
@@ -507,7 +505,6 @@ static void ubd_handler(void)
struct ubd *dev;
int n;
- do_ubd = 0;
n = os_read_file(thread_fd, &req, sizeof(req));
if(n != sizeof(req)){
printk(KERN_ERR "Pid %d - spurious interrupt in ubd_handler, "
@@ -517,6 +514,7 @@ static void ubd_handler(void)
rq = req.req;
dev = rq->rq_disk->private_data;
+ dev->active = 0;
ubd_finish(rq, req.error);
reactivate_fd(thread_fd, UBD_IRQ);
@@ -1081,11 +1079,12 @@ static void do_ubd_request(request_queue_t *q)
}
}
else {
- if(do_ubd || (req = elv_next_request(q)) == NULL)
+ struct ubd *dev = q->queuedata;
+ if(dev->active || (req = elv_next_request(q)) == NULL)
return;
err = prepare_request(req, &io_req);
if(!err){
- do_ubd = 1;
+ dev->active = 1;
n = os_write_file(thread_fd, (char *) &io_req,
sizeof(io_req));
if(n != sizeof(io_req))
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.