Merge branch 'bkl-removal' of git://git.lwn.net/linux-2.6 (2bea2e4a) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/uio/uio.c

+8 −6

Original line number	Diff line number	Diff line
		@@ -47,6 +47,9 @@ static struct uio_class {
		struct class *class;
		} *uio_class;

		/* Protect idr accesses */
		static DEFINE_MUTEX(minor_lock);

		/*
		* attributes
		*/
		@@ -239,7 +242,6 @@ static void uio_dev_del_attributes(struct uio_device *idev)

		static int uio_get_minor(struct uio_device *idev)
		{
		static DEFINE_MUTEX(minor_lock);
		int retval = -ENOMEM;
		int id;

		@@ -261,7 +263,9 @@ static int uio_get_minor(struct uio_device *idev)

		static void uio_free_minor(struct uio_device *idev)
		{
		mutex_lock(&minor_lock);
		idr_remove(&uio_idr, idev->minor);
		mutex_unlock(&minor_lock);
		}

		/**
		@@ -305,8 +309,9 @@ static int uio_open(struct inode inode, struct file filep)
		struct uio_listener *listener;
		int ret = 0;

		lock_kernel();
		mutex_lock(&minor_lock);
		idev = idr_find(&uio_idr, iminor(inode));
		mutex_unlock(&minor_lock);
		if (!idev) {
		ret = -ENODEV;
		goto out;
		@@ -332,18 +337,15 @@ static int uio_open(struct inode inode, struct file filep)
		if (ret)
		goto err_infoopen;
		}
		unlock_kernel();
		return 0;

		err_infoopen:

		kfree(listener);
		err_alloc_listener:

		err_alloc_listener:
		module_put(idev->owner);

		out:
		unlock_kernel();
		return ret;
		}