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path: root/drivers/usb/gadget
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Diffstat (limited to 'drivers/usb/gadget')
-rw-r--r--drivers/usb/gadget/configfs.c37
-rw-r--r--drivers/usb/gadget/configfs.h1
-rw-r--r--drivers/usb/gadget/f_fs.c12
-rw-r--r--drivers/usb/gadget/f_rndis.c6
-rw-r--r--drivers/usb/gadget/gr_udc.c5
-rw-r--r--drivers/usb/gadget/inode.c7
-rw-r--r--drivers/usb/gadget/u_ether.c3
7 files changed, 43 insertions, 28 deletions
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 2ddcd635ca2a..97142146eead 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1145,15 +1145,15 @@ static struct configfs_item_operations interf_item_ops = {
.store_attribute = usb_os_desc_attr_store,
};
-static ssize_t rndis_grp_compatible_id_show(struct usb_os_desc *desc,
- char *page)
+static ssize_t interf_grp_compatible_id_show(struct usb_os_desc *desc,
+ char *page)
{
memcpy(page, desc->ext_compat_id, 8);
return 8;
}
-static ssize_t rndis_grp_compatible_id_store(struct usb_os_desc *desc,
- const char *page, size_t len)
+static ssize_t interf_grp_compatible_id_store(struct usb_os_desc *desc,
+ const char *page, size_t len)
{
int l;
@@ -1171,20 +1171,20 @@ static ssize_t rndis_grp_compatible_id_store(struct usb_os_desc *desc,
return len;
}
-static struct usb_os_desc_attribute rndis_grp_attr_compatible_id =
+static struct usb_os_desc_attribute interf_grp_attr_compatible_id =
__CONFIGFS_ATTR(compatible_id, S_IRUGO | S_IWUSR,
- rndis_grp_compatible_id_show,
- rndis_grp_compatible_id_store);
+ interf_grp_compatible_id_show,
+ interf_grp_compatible_id_store);
-static ssize_t rndis_grp_sub_compatible_id_show(struct usb_os_desc *desc,
- char *page)
+static ssize_t interf_grp_sub_compatible_id_show(struct usb_os_desc *desc,
+ char *page)
{
memcpy(page, desc->ext_compat_id + 8, 8);
return 8;
}
-static ssize_t rndis_grp_sub_compatible_id_store(struct usb_os_desc *desc,
- const char *page, size_t len)
+static ssize_t interf_grp_sub_compatible_id_store(struct usb_os_desc *desc,
+ const char *page, size_t len)
{
int l;
@@ -1202,20 +1202,21 @@ static ssize_t rndis_grp_sub_compatible_id_store(struct usb_os_desc *desc,
return len;
}
-static struct usb_os_desc_attribute rndis_grp_attr_sub_compatible_id =
+static struct usb_os_desc_attribute interf_grp_attr_sub_compatible_id =
__CONFIGFS_ATTR(sub_compatible_id, S_IRUGO | S_IWUSR,
- rndis_grp_sub_compatible_id_show,
- rndis_grp_sub_compatible_id_store);
+ interf_grp_sub_compatible_id_show,
+ interf_grp_sub_compatible_id_store);
static struct configfs_attribute *interf_grp_attrs[] = {
- &rndis_grp_attr_compatible_id.attr,
- &rndis_grp_attr_sub_compatible_id.attr,
+ &interf_grp_attr_compatible_id.attr,
+ &interf_grp_attr_sub_compatible_id.attr,
NULL
};
int usb_os_desc_prepare_interf_dir(struct config_group *parent,
int n_interf,
struct usb_os_desc **desc,
+ char **names,
struct module *owner)
{
struct config_group **f_default_groups, *os_desc_group,
@@ -1257,8 +1258,8 @@ int usb_os_desc_prepare_interf_dir(struct config_group *parent,
d = desc[n_interf];
d->owner = owner;
config_group_init_type_name(&d->group, "", interface_type);
- config_item_set_name(&d->group.cg_item, "interface.%d",
- n_interf);
+ config_item_set_name(&d->group.cg_item, "interface.%s",
+ names[n_interf]);
interface_groups[n_interf] = &d->group;
}
diff --git a/drivers/usb/gadget/configfs.h b/drivers/usb/gadget/configfs.h
index a14ac792c698..36c468c4f5e9 100644
--- a/drivers/usb/gadget/configfs.h
+++ b/drivers/usb/gadget/configfs.h
@@ -8,6 +8,7 @@ void unregister_gadget_item(struct config_item *item);
int usb_os_desc_prepare_interf_dir(struct config_group *parent,
int n_interf,
struct usb_os_desc **desc,
+ char **names,
struct module *owner);
static inline struct usb_os_desc *to_usb_os_desc(struct config_item *item)
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 74202d67f911..8598c27c7d43 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1483,11 +1483,13 @@ static int functionfs_bind(struct ffs_data *ffs, struct usb_composite_dev *cdev)
ffs->ep0req->context = ffs;
lang = ffs->stringtabs;
- for (lang = ffs->stringtabs; *lang; ++lang) {
- struct usb_string *str = (*lang)->strings;
- int id = first_id;
- for (; str->s; ++id, ++str)
- str->id = id;
+ if (lang) {
+ for (; *lang; ++lang) {
+ struct usb_string *str = (*lang)->strings;
+ int id = first_id;
+ for (; str->s; ++id, ++str)
+ str->id = id;
+ }
}
ffs->gadget = cdev->gadget;
diff --git a/drivers/usb/gadget/f_rndis.c b/drivers/usb/gadget/f_rndis.c
index eed3ad878047..9c41e9515b8e 100644
--- a/drivers/usb/gadget/f_rndis.c
+++ b/drivers/usb/gadget/f_rndis.c
@@ -687,7 +687,7 @@ rndis_bind(struct usb_configuration *c, struct usb_function *f)
f->os_desc_table = kzalloc(sizeof(*f->os_desc_table),
GFP_KERNEL);
if (!f->os_desc_table)
- return PTR_ERR(f->os_desc_table);
+ return -ENOMEM;
f->os_desc_n = 1;
f->os_desc_table[0].os_desc = &rndis_opts->rndis_os_desc;
}
@@ -905,6 +905,7 @@ static struct usb_function_instance *rndis_alloc_inst(void)
{
struct f_rndis_opts *opts;
struct usb_os_desc *descs[1];
+ char *names[1];
opts = kzalloc(sizeof(*opts), GFP_KERNEL);
if (!opts)
@@ -922,8 +923,9 @@ static struct usb_function_instance *rndis_alloc_inst(void)
INIT_LIST_HEAD(&opts->rndis_os_desc.ext_prop);
descs[0] = &opts->rndis_os_desc;
+ names[0] = "rndis";
usb_os_desc_prepare_interf_dir(&opts->func_inst.group, 1, descs,
- THIS_MODULE);
+ names, THIS_MODULE);
config_group_init_type_name(&opts->func_inst.group, "",
&rndis_func_type);
diff --git a/drivers/usb/gadget/gr_udc.c b/drivers/usb/gadget/gr_udc.c
index 99a37ed03e27..c7004ee89c90 100644
--- a/drivers/usb/gadget/gr_udc.c
+++ b/drivers/usb/gadget/gr_udc.c
@@ -1532,8 +1532,9 @@ static int gr_ep_enable(struct usb_ep *_ep,
"%s mode: multiple trans./microframe not valid\n",
(mode == 2 ? "Bulk" : "Control"));
return -EINVAL;
- } else if (nt == 0x11) {
- dev_err(dev->dev, "Invalid value for trans./microframe\n");
+ } else if (nt == 0x3) {
+ dev_err(dev->dev,
+ "Invalid value 0x3 for additional trans./microframe\n");
return -EINVAL;
} else if ((nt + 1) * max > buffer_size) {
dev_err(dev->dev, "Hw buffer size %d < max payload %d * %d\n",
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index ee6c16416c30..2e4ce7704908 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1264,8 +1264,13 @@ dev_release (struct inode *inode, struct file *fd)
kfree (dev->buf);
dev->buf = NULL;
- put_dev (dev);
+ /* other endpoints were all decoupled from this device */
+ spin_lock_irq(&dev->lock);
+ dev->state = STATE_DEV_DISABLED;
+ spin_unlock_irq(&dev->lock);
+
+ put_dev (dev);
return 0;
}
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 3d78a8844e43..97b027724ee7 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -1120,7 +1120,10 @@ void gether_disconnect(struct gether *link)
DBG(dev, "%s\n", __func__);
+ netif_tx_lock(dev->net);
netif_stop_queue(dev->net);
+ netif_tx_unlock(dev->net);
+
netif_carrier_off(dev->net);
/* disable endpoints, forcing (synchronous) completion
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-26 04:51:09 +0300