wrappers for ->i_mutex access

[mirror_ubuntu-bionic-kernel.git] / drivers / usb / gadget / udc / atmel_usba_udc.c

diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index f92f5aff0dd5e8ece600cc44b5ba6168e3f1bb81..8755b2c2aadaa60700471f5260408bff6e28b69c 100644 (file)
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -91,7 +91,7 @@ static ssize_t queue_dbg_read(struct file *file, char __user *buf,
        if (!access_ok(VERIFY_WRITE, buf, nbytes))
                return -EFAULT;
 
-       mutex_lock(&file_inode(file)->i_mutex);
+       inode_lock(file_inode(file));
        list_for_each_entry_safe(req, tmp_req, queue, queue) {
                len = snprintf(tmpbuf, sizeof(tmpbuf),
                                "%8p %08x %c%c%c %5d %c%c%c\n",
@@ -118,7 +118,7 @@ static ssize_t queue_dbg_read(struct file *file, char __user *buf,
                nbytes -= len;
                buf += len;
        }
-       mutex_unlock(&file_inode(file)->i_mutex);
+       inode_unlock(file_inode(file));
 
        return actual;
 }
@@ -143,7 +143,7 @@ static int regs_dbg_open(struct inode *inode, struct file *file)
        u32 *data;
        int ret = -ENOMEM;
 
-       mutex_lock(&inode->i_mutex);
+       inode_lock(inode);
        udc = inode->i_private;
        data = kmalloc(inode->i_size, GFP_KERNEL);
        if (!data)
@@ -158,7 +158,7 @@ static int regs_dbg_open(struct inode *inode, struct file *file)
        ret = 0;
 
 out:
-       mutex_unlock(&inode->i_mutex);
+       inode_unlock(inode);
 
        return ret;
 }
@@ -169,11 +169,11 @@ static ssize_t regs_dbg_read(struct file *file, char __user *buf,
        struct inode *inode = file_inode(file);
        int ret;
 
-       mutex_lock(&inode->i_mutex);
+       inode_lock(inode);
        ret = simple_read_from_buffer(buf, nbytes, ppos,
                        file->private_data,
                        file_inode(file)->i_size);
-       mutex_unlock(&inode->i_mutex);
+       inode_unlock(inode);
 
        return ret;
 }