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path: root/drivers/usb/gadget/f_hid.c
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Diffstat (limited to 'drivers/usb/gadget/f_hid.c')
-rw-r--r--drivers/usb/gadget/f_hid.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/usb/gadget/f_hid.c b/drivers/usb/gadget/f_hid.c
index 1e00ff9866af..4f891eddd060 100644
--- a/drivers/usb/gadget/f_hid.c
+++ b/drivers/usb/gadget/f_hid.c
@@ -142,7 +142,7 @@ static struct usb_descriptor_header *hidg_fs_descriptors[] = {
static ssize_t f_hidg_read(struct file *file, char __user *buffer,
size_t count, loff_t *ptr)
{
- struct f_hidg *hidg = (struct f_hidg *)file->private_data;
+ struct f_hidg *hidg = file->private_data;
char *tmp_buff = NULL;
unsigned long flags;
@@ -200,7 +200,7 @@ static void f_hidg_req_complete(struct usb_ep *ep, struct usb_request *req)
static ssize_t f_hidg_write(struct file *file, const char __user *buffer,
size_t count, loff_t *offp)
{
- struct f_hidg *hidg = (struct f_hidg *)file->private_data;
+ struct f_hidg *hidg = file->private_data;
ssize_t status = -ENOMEM;
if (!access_ok(VERIFY_READ, buffer, count))
@@ -257,7 +257,7 @@ static ssize_t f_hidg_write(struct file *file, const char __user *buffer,
static unsigned int f_hidg_poll(struct file *file, poll_table *wait)
{
- struct f_hidg *hidg = (struct f_hidg *)file->private_data;
+ struct f_hidg *hidg = file->private_data;
unsigned int ret = 0;
poll_wait(file, &hidg->read_queue, wait);
@@ -318,8 +318,6 @@ static void hidg_set_report_complete(struct usb_ep *ep, struct usb_request *req)
spin_unlock(&hidg->spinlock);
wake_up(&hidg->read_queue);
-
- return;
}
static int hidg_setup(struct usb_function *f,
@@ -413,8 +411,6 @@ static void hidg_disable(struct usb_function *f)
usb_ep_disable(hidg->in_ep);
hidg->in_ep->driver_data = NULL;
-
- return;
}
static int hidg_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
@@ -451,6 +447,7 @@ const struct file_operations f_hidg_fops = {
.write = f_hidg_write,
.read = f_hidg_read,
.poll = f_hidg_poll,
+ .llseek = noop_llseek,
};
static int __init hidg_bind(struct usb_configuration *c, struct usb_function *f)