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Commit abd5a2fb authored by Axel Lin's avatar Axel Lin Committed by Greg Kroah-Hartman
Browse files

IIO: industrialio-core: Checking NULL instead of IS_ERR for debugfs_create_dir() 



If defined CONFIG_DEBUG_FS, debugfs_create_dir returns NULL on failure.

Signed-off-by: default avatarAxel Lin <axel.lin@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 5a28c873

drivers/iio/industrialio-core.c

+1 −4
Original line number Diff line number Diff line
@@ -227,15 +227,12 @@ static int iio_device_register_debugfs(struct iio_dev *indio_dev) 
	if (indio_dev->info->debugfs_reg_access == NULL)

		return 0;



	if (IS_ERR(iio_debugfs_dentry))

	if (!iio_debugfs_dentry)

		return 0;



	indio_dev->debugfs_dentry =

		debugfs_create_dir(dev_name(&indio_dev->dev),

				   iio_debugfs_dentry);

	if (IS_ERR(indio_dev->debugfs_dentry))

		return PTR_ERR(indio_dev->debugfs_dentry);



	if (indio_dev->debugfs_dentry == NULL) {

		dev_warn(indio_dev->dev.parent,

			 "Failed to create debugfs directory\n");