[brcm63xx] refresh kernel patches

[openwrt.git] / package / switch / src / switch-core.c

diff --git a/package/switch/src/switch-core.c b/package/switch/src/switch-core.c
index c1c9e58..87aa972 100644 (file)
--- a/package/switch/src/switch-core.c
+++ b/package/switch/src/switch-core.c
@@ -100,6 +100,7 @@ static ssize_t switch_proc_read(struct file *file, char *buf, size_t count, loff
                len = 0;
        }
 
                len = 0;
        }
 

+       kfree(page);

        return len;
 }
 
        return len;
 }
 


@@ -138,18 +139,18 @@ static ssize_t switch_proc_write(struct file *file, const char *buf, size_t coun
 
 static int handle_driver_name(void *driver, char *buf, int nr)
 {
 
 static int handle_driver_name(void *driver, char *buf, int nr)
 {

-       char *name = ((switch_driver *) driver)->name;
+       const char *name = ((switch_driver *) driver)->name;

        return sprintf(buf, "%s\n", name);
 }
 
 static int handle_driver_version(void *driver, char *buf, int nr)
 {
        return sprintf(buf, "%s\n", name);
 }
 
 static int handle_driver_version(void *driver, char *buf, int nr)
 {

-       char *version = ((switch_driver *) driver)->version;
+       const char *version = ((switch_driver *) driver)->version;

        strcpy(buf, version);
        return sprintf(buf, "%s\n", version);
 }
 
        strcpy(buf, version);
        return sprintf(buf, "%s\n", version);
 }
 

-static void add_handler(switch_driver *driver, switch_config *handler, struct proc_dir_entry *parent, int nr)
+static void add_handler(switch_driver *driver, const switch_config *handler, struct proc_dir_entry *parent, int nr)

 {
        switch_priv *priv = (switch_priv *) driver->data;
        struct proc_dir_entry *p;
 {
        switch_priv *priv = (switch_priv *) driver->data;
        struct proc_dir_entry *p;


@@ -157,6 +158,8 @@ static void add_handler(switch_driver *driver, switch_config *handler, struct pr
 
        switch_proc_handler *tmp;
        tmp = (switch_proc_handler *) kmalloc(sizeof(switch_proc_handler), GFP_KERNEL);
 
        switch_proc_handler *tmp;
        tmp = (switch_proc_handler *) kmalloc(sizeof(switch_proc_handler), GFP_KERNEL);

+       if (!tmp)
+               return;

        INIT_LIST_HEAD(&tmp->list);
        tmp->parent = parent;
        tmp->nr = nr;
        INIT_LIST_HEAD(&tmp->list);
        tmp->parent = parent;
        tmp->nr = nr;


@@ -174,7 +177,7 @@ static void add_handler(switch_driver *driver, switch_config *handler, struct pr
        }
 }
 
        }
 }
 

-static inline void add_handlers(switch_driver *driver, switch_config *handlers, struct proc_dir_entry *parent, int nr)
+static inline void add_handlers(switch_driver *driver, const switch_config *handlers, struct proc_dir_entry *parent, int nr)

 {
        int i;
        
 {
        int i;
        


@@ -238,11 +241,26 @@ static int do_register(switch_driver *driver)
        switch_priv *priv;
        int i;
        char buf[4];
        switch_priv *priv;
        int i;
        char buf[4];

-       
-       if ((priv = kmalloc(sizeof(switch_priv), GFP_KERNEL)) == NULL)
-               return -ENOBUFS;
+
+       priv = kmalloc(sizeof(switch_priv), GFP_KERNEL);
+       if (!priv)
+               return -ENOMEM;

        driver->data = (void *) priv;
 
        driver->data = (void *) priv;
 

+       priv->ports = kmalloc((driver->ports + 1) * sizeof(struct proc_dir_entry *),
+                             GFP_KERNEL);
+       if (!priv->ports) {
+               kfree(priv);
+               return -ENOMEM;
+       }
+       priv->vlans = kmalloc((driver->vlans + 1) * sizeof(struct proc_dir_entry *),
+                             GFP_KERNEL);
+       if (!priv->vlans) {
+               kfree(priv->ports);
+               kfree(priv);
+               return -ENOMEM;
+       }
+

        INIT_LIST_HEAD(&priv->data.list);
        
        priv->nr = drv_num++;
        INIT_LIST_HEAD(&priv->data.list);
        
        priv->nr = drv_num++;


@@ -253,7 +271,6 @@ static int do_register(switch_driver *driver)
        }
        
        priv->port_dir = proc_mkdir("port", priv->driver_dir);
        }
        
        priv->port_dir = proc_mkdir("port", priv->driver_dir);

-       priv->ports = kmalloc((driver->ports + 1) * sizeof(struct proc_dir_entry *), GFP_KERNEL);

        for (i = 0; i < driver->ports; i++) {
                sprintf(buf, "%d", i);
                priv->ports[i] = proc_mkdir(buf, priv->port_dir);
        for (i = 0; i < driver->ports; i++) {
                sprintf(buf, "%d", i);
                priv->ports[i] = proc_mkdir(buf, priv->port_dir);


@@ -263,7 +280,6 @@ static int do_register(switch_driver *driver)
        priv->ports[i] = NULL;
        
        priv->vlan_dir = proc_mkdir("vlan", priv->driver_dir);
        priv->ports[i] = NULL;
        
        priv->vlan_dir = proc_mkdir("vlan", priv->driver_dir);

-       priv->vlans = kmalloc((driver->vlans + 1) * sizeof(struct proc_dir_entry *), GFP_KERNEL);

        for (i = 0; i < driver->vlans; i++) {
                sprintf(buf, "%d", i);
                priv->vlans[i] = proc_mkdir(buf, priv->vlan_dir);
        for (i = 0; i < driver->vlans; i++) {
                sprintf(buf, "%d", i);
                priv->vlans[i] = proc_mkdir(buf, priv->vlan_dir);


@@ -338,6 +354,8 @@ switch_vlan_config *switch_parse_vlan(switch_driver *driver, char *buf)
        int j, u, p, s;
        
        c = kmalloc(sizeof(switch_vlan_config), GFP_KERNEL);
        int j, u, p, s;
        
        c = kmalloc(sizeof(switch_vlan_config), GFP_KERNEL);

+       if (!c)
+               return NULL;

        memset(c, 0, sizeof(switch_vlan_config));
 
        while (isspace(*buf)) buf++;
        memset(c, 0, sizeof(switch_vlan_config));
 
        while (isspace(*buf)) buf++;


@@ -391,7 +409,7 @@ int switch_register_driver(switch_driver *driver)
        struct list_head *pos;
        switch_driver *new;
        int ret;
        struct list_head *pos;
        switch_driver *new;
        int ret;

-       
+

        list_for_each(pos, &drivers.list) {
                if (strcmp(list_entry(pos, switch_driver, list)->name, driver->name) == 0) {
                        printk("Switch driver '%s' already exists in the kernel\n", driver->name);
        list_for_each(pos, &drivers.list) {
                if (strcmp(list_entry(pos, switch_driver, list)->name, driver->name) == 0) {
                        printk("Switch driver '%s' already exists in the kernel\n", driver->name);


@@ -404,10 +422,12 @@ int switch_register_driver(switch_driver *driver)
        }
 
        new = kmalloc(sizeof(switch_driver), GFP_KERNEL);
        }
 
        new = kmalloc(sizeof(switch_driver), GFP_KERNEL);

+       if (!new)
+               return -ENOMEM;

        memcpy(new, driver, sizeof(switch_driver));
        new->name = strdup(driver->name);
        new->interface = strdup(driver->interface);
        memcpy(new, driver, sizeof(switch_driver));
        new->name = strdup(driver->name);
        new->interface = strdup(driver->interface);

-       
+

        if ((ret = do_register(new)) < 0) {
                kfree(new->name);
                kfree(new);
        if ((ret = do_register(new)) < 0) {
                kfree(new->name);
                kfree(new);