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path: root/arch/um/drivers/daemon_user.c
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Diffstat (limited to 'arch/um/drivers/daemon_user.c')
-rw-r--r--arch/um/drivers/daemon_user.c81
1 files changed, 42 insertions, 39 deletions
diff --git a/arch/um/drivers/daemon_user.c b/arch/um/drivers/daemon_user.c
index 8d2008f06682..90983d480ac6 100644
--- a/arch/um/drivers/daemon_user.c
+++ b/arch/um/drivers/daemon_user.c
@@ -1,22 +1,23 @@
/*
- * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
+ * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
+ * Copyright (C) 2001 Lennert Buytenhek (buytenh@gnu.org) and
* James Leu (jleu@mindspring.net).
* Copyright (C) 2001 by various other people who didn't put their name here.
* Licensed under the GPL.
*/
-#include <errno.h>
-#include <unistd.h>
#include <stdint.h>
+#include <unistd.h>
+#include <errno.h>
+#include <sys/types.h>
#include <sys/socket.h>
-#include <sys/un.h>
#include <sys/time.h>
-#include "net_user.h"
+#include <sys/un.h>
#include "daemon.h"
-#include "kern_util.h"
-#include "user.h"
+#include "net_user.h"
#include "os.h"
#include "um_malloc.h"
+#include "user.h"
#define MAX_PACKET (ETH_MAX_PACKET + ETH_HEADER_OTHER)
@@ -36,8 +37,9 @@ static struct sockaddr_un *new_addr(void *name, int len)
struct sockaddr_un *sun;
sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
- if(sun == NULL){
- printk("new_addr: allocation of sockaddr_un failed\n");
+ if (sun == NULL) {
+ printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
+ "failed\n");
return NULL;
}
sun->sun_family = AF_UNIX;
@@ -54,38 +56,39 @@ static int connect_to_switch(struct daemon_data *pri)
int fd, n, err;
pri->control = socket(AF_UNIX, SOCK_STREAM, 0);
- if(pri->control < 0){
+ if (pri->control < 0) {
err = -errno;
- printk("daemon_open : control socket failed, errno = %d\n",
- -err);
+ printk(UM_KERN_ERR "daemon_open : control socket failed, "
+ "errno = %d\n", -err);
return err;
}
- if(connect(pri->control, (struct sockaddr *) ctl_addr,
- sizeof(*ctl_addr)) < 0){
+ if (connect(pri->control, (struct sockaddr *) ctl_addr,
+ sizeof(*ctl_addr)) < 0) {
err = -errno;
- printk("daemon_open : control connect failed, errno = %d\n",
- -err);
+ printk(UM_KERN_ERR "daemon_open : control connect failed, "
+ "errno = %d\n", -err);
goto out;
}
fd = socket(AF_UNIX, SOCK_DGRAM, 0);
- if(fd < 0){
+ if (fd < 0) {
err = -errno;
- printk("daemon_open : data socket failed, errno = %d\n",
- -err);
+ printk(UM_KERN_ERR "daemon_open : data socket failed, "
+ "errno = %d\n", -err);
goto out;
}
- if(bind(fd, (struct sockaddr *) local_addr, sizeof(*local_addr)) < 0){
+ if (bind(fd, (struct sockaddr *) local_addr, sizeof(*local_addr)) < 0) {
err = -errno;
- printk("daemon_open : data bind failed, errno = %d\n",
- -err);
+ printk(UM_KERN_ERR "daemon_open : data bind failed, "
+ "errno = %d\n", -err);
goto out_close;
}
sun = kmalloc(sizeof(struct sockaddr_un), UM_GFP_KERNEL);
- if(sun == NULL){
- printk("new_addr: allocation of sockaddr_un failed\n");
+ if (sun == NULL) {
+ printk(UM_KERN_ERR "new_addr: allocation of sockaddr_un "
+ "failed\n");
err = -ENOMEM;
goto out_close;
}
@@ -94,18 +97,18 @@ static int connect_to_switch(struct daemon_data *pri)
req.version = SWITCH_VERSION;
req.type = REQ_NEW_CONTROL;
req.sock = *local_addr;
- n = os_write_file(pri->control, &req, sizeof(req));
- if(n != sizeof(req)){
- printk("daemon_open : control setup request failed, err = %d\n",
- -n);
+ n = write(pri->control, &req, sizeof(req));
+ if (n != sizeof(req)) {
+ printk(UM_KERN_ERR "daemon_open : control setup request "
+ "failed, err = %d\n", -errno);
err = -ENOTCONN;
goto out_free;
}
- n = os_read_file(pri->control, sun, sizeof(*sun));
- if(n != sizeof(*sun)){
- printk("daemon_open : read of data socket failed, err = %d\n",
- -n);
+ n = read(pri->control, sun, sizeof(*sun));
+ if (n != sizeof(*sun)) {
+ printk(UM_KERN_ERR "daemon_open : read of data socket failed, "
+ "err = %d\n", -errno);
err = -ENOTCONN;
goto out_free;
}
@@ -116,9 +119,9 @@ static int connect_to_switch(struct daemon_data *pri)
out_free:
kfree(sun);
out_close:
- os_close_file(fd);
+ close(fd);
out:
- os_close_file(pri->control);
+ close(pri->control);
return err;
}
@@ -132,8 +135,8 @@ static int daemon_user_init(void *data, void *dev)
int usecs;
} name;
- if(!strcmp(pri->sock_type, "unix"))
- pri->ctl_addr = new_addr(pri->ctl_sock,
+ if (!strcmp(pri->sock_type, "unix"))
+ pri->ctl_addr = new_addr(pri->ctl_sock,
strlen(pri->ctl_sock) + 1);
name.zero = 0;
name.pid = os_getpid();
@@ -142,7 +145,7 @@ static int daemon_user_init(void *data, void *dev)
pri->local_addr = new_addr(&name, sizeof(name));
pri->dev = dev;
pri->fd = connect_to_switch(pri);
- if(pri->fd < 0){
+ if (pri->fd < 0) {
kfree(pri->local_addr);
pri->local_addr = NULL;
return pri->fd;
@@ -161,9 +164,9 @@ static void daemon_remove(void *data)
{
struct daemon_data *pri = data;
- os_close_file(pri->fd);
+ close(pri->fd);
pri->fd = -1;
- os_close_file(pri->control);
+ close(pri->control);
pri->control = -1;
kfree(pri->data_addr);