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Diffstat (limited to 'arch/um/drivers')
-rw-r--r--arch/um/drivers/port_kern.c46
-rw-r--r--arch/um/drivers/port_user.c51
2 files changed, 43 insertions, 54 deletions
diff --git a/arch/um/drivers/port_kern.c b/arch/um/drivers/port_kern.c
index c688da722177..4dd7d8a11db2 100644
--- a/arch/um/drivers/port_kern.c
+++ b/arch/um/drivers/port_kern.c
@@ -1,4 +1,4 @@
-/*
+/*
* Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
@@ -55,9 +55,9 @@ static irqreturn_t pipe_interrupt(int irq, void *data)
fd = os_rcv_fd(conn->socket[0], &conn->helper_pid);
if(fd < 0){
if(fd == -EAGAIN)
- return(IRQ_NONE);
+ return IRQ_NONE;
- printk(KERN_ERR "pipe_interrupt : os_rcv_fd returned %d\n",
+ printk(KERN_ERR "pipe_interrupt : os_rcv_fd returned %d\n",
-fd);
os_close_file(conn->fd);
}
@@ -68,7 +68,7 @@ static irqreturn_t pipe_interrupt(int irq, void *data)
list_add(&conn->list, &conn->port->connections);
complete(&conn->port->done);
- return(IRQ_HANDLED);
+ return IRQ_HANDLED;
}
#define NO_WAITER_MSG \
@@ -97,14 +97,14 @@ static int port_accept(struct port_list *port)
"connection\n");
goto out_close;
}
- *conn = ((struct connection)
+ *conn = ((struct connection)
{ .list = LIST_HEAD_INIT(conn->list),
.fd = fd,
.socket = { socket[0], socket[1] },
.telnetd_pid = pid,
.port = port });
- if(um_request_irq(TELNETD_IRQ, socket[0], IRQ_READ, pipe_interrupt,
+ if(um_request_irq(TELNETD_IRQ, socket[0], IRQ_READ, pipe_interrupt,
IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
"telnetd", conn)){
printk(KERN_ERR "port_accept : failed to get IRQ for "
@@ -117,17 +117,17 @@ static int port_accept(struct port_list *port)
printk("No one waiting for port\n");
}
list_add(&conn->list, &port->pending);
- return(1);
+ return 1;
out_free:
kfree(conn);
out_close:
os_close_file(fd);
- if(pid != -1)
+ if(pid != -1)
os_kill_process(pid, 1);
out:
- return(ret);
-}
+ return ret;
+}
static DECLARE_MUTEX(ports_sem);
static struct list_head ports = LIST_HEAD_INIT(ports);
@@ -158,8 +158,8 @@ static irqreturn_t port_interrupt(int irq, void *data)
port->has_connection = 1;
schedule_work(&port_work);
- return(IRQ_HANDLED);
-}
+ return IRQ_HANDLED;
+}
void *port_data(int port_num)
{
@@ -185,14 +185,14 @@ void *port_data(int port_num)
port_num, -fd);
goto out_free;
}
- if(um_request_irq(ACCEPT_IRQ, fd, IRQ_READ, port_interrupt,
- IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM, "port",
- port)){
+ if(um_request_irq(ACCEPT_IRQ, fd, IRQ_READ, port_interrupt,
+ IRQF_DISABLED | IRQF_SHARED | IRQF_SAMPLE_RANDOM,
+ "port", port)){
printk(KERN_ERR "Failed to get IRQ for port %d\n", port_num);
goto out_close;
}
- *port = ((struct port_list)
+ *port = ((struct port_list)
{ .list = LIST_HEAD_INIT(port->list),
.wait_count = ATOMIC_INIT(0),
.has_connection = 0,
@@ -222,7 +222,7 @@ void *port_data(int port_num)
os_close_file(fd);
out:
up(&ports_sem);
- return(dev);
+ return dev;
}
int port_wait(void *data)
@@ -232,15 +232,15 @@ int port_wait(void *data)
struct port_list *port = dev->port;
int fd;
- atomic_inc(&port->wait_count);
+ atomic_inc(&port->wait_count);
while(1){
fd = -ERESTARTSYS;
- if(wait_for_completion_interruptible(&port->done))
- goto out;
+ if(wait_for_completion_interruptible(&port->done))
+ goto out;
spin_lock(&port->lock);
- conn = list_entry(port->connections.next, struct connection,
+ conn = list_entry(port->connections.next, struct connection,
list);
list_del(&conn->list);
spin_unlock(&port->lock);
@@ -248,12 +248,12 @@ int port_wait(void *data)
os_shutdown_socket(conn->socket[0], 1, 1);
os_close_file(conn->socket[0]);
os_shutdown_socket(conn->socket[1], 1, 1);
- os_close_file(conn->socket[1]);
+ os_close_file(conn->socket[1]);
/* This is done here because freeing an IRQ can't be done
* within the IRQ handler. So, pipe_interrupt always ups
* the semaphore regardless of whether it got a successful
- * connection. Then we loop here throwing out failed
+ * connection. Then we loop here throwing out failed
* connections until a good one is found.
*/
free_irq(TELNETD_IRQ, conn);
diff --git a/arch/um/drivers/port_user.c b/arch/um/drivers/port_user.c
index bc6afaf74c1a..80508023054f 100644
--- a/arch/um/drivers/port_user.c
+++ b/arch/um/drivers/port_user.c
@@ -1,4 +1,4 @@
-/*
+/*
* Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
@@ -38,18 +38,18 @@ static void *port_init(char *str, int device, const struct chan_opts *opts)
if(*str != ':'){
printk("port_init : channel type 'port' must specify a "
"port number\n");
- return(NULL);
+ return NULL;
}
str++;
port = strtoul(str, &end, 0);
if((*end != '\0') || (end == str)){
printk("port_init : couldn't parse port '%s'\n", str);
- return(NULL);
+ return NULL;
}
kern_data = port_data(port);
if(kern_data == NULL)
- return(NULL);
+ return NULL;
data = um_kmalloc(sizeof(*data));
if(data == NULL)
@@ -59,10 +59,10 @@ static void *port_init(char *str, int device, const struct chan_opts *opts)
.kernel_data = kern_data });
sprintf(data->dev, "%d", port);
- return(data);
+ return data;
err:
port_kern_free(kern_data);
- return(NULL);
+ return NULL;
}
static void port_free(void *d)
@@ -83,14 +83,14 @@ static int port_open(int input, int output, int primary, void *d,
if((fd >= 0) && data->raw){
CATCH_EINTR(err = tcgetattr(fd, &data->tt));
if(err)
- return(err);
+ return err;
err = raw(fd);
if(err)
- return(err);
+ return err;
}
*dev_out = data->dev;
- return(fd);
+ return fd;
}
static void port_close(int fd, void *d)
@@ -120,8 +120,8 @@ int port_listen_fd(int port)
int fd, err, arg;
fd = socket(PF_INET, SOCK_STREAM, 0);
- if(fd == -1)
- return(-errno);
+ if(fd == -1)
+ return -errno;
arg = 1;
if(setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &arg, sizeof(arg)) < 0){
@@ -136,7 +136,7 @@ int port_listen_fd(int port)
err = -errno;
goto out;
}
-
+
if(listen(fd, 1) < 0){
err = -errno;
goto out;
@@ -146,10 +146,10 @@ int port_listen_fd(int port)
if(err < 0)
goto out;
- return(fd);
+ return fd;
out:
os_close_file(fd);
- return(err);
+ return err;
}
struct port_pre_exec_data {
@@ -173,13 +173,13 @@ void port_pre_exec(void *arg)
int port_connection(int fd, int *socket, int *pid_out)
{
int new, err;
- char *argv[] = { "/usr/sbin/in.telnetd", "-L",
+ char *argv[] = { "/usr/sbin/in.telnetd", "-L",
"/usr/lib/uml/port-helper", NULL };
struct port_pre_exec_data data;
new = os_accept_connection(fd);
if(new < 0)
- return(new);
+ return new;
err = os_pipe(socket, 0, 0);
if(err < 0)
@@ -190,29 +190,18 @@ int port_connection(int fd, int *socket, int *pid_out)
.pipe_fd = socket[1] });
err = run_helper(port_pre_exec, &data, argv, NULL);
- if(err < 0)
+ if(err < 0)
goto out_shutdown;
*pid_out = err;
- return(new);
+ return new;
out_shutdown:
os_shutdown_socket(socket[0], 1, 1);
os_close_file(socket[0]);
- os_shutdown_socket(socket[1], 1, 1);
+ os_shutdown_socket(socket[1], 1, 1);
os_close_file(socket[1]);
out_close:
os_close_file(new);
- return(err);
+ return err;
}
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-21 01:48:10 +0100