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authorAxel Lin <axel.lin@gmail.com>2012-05-03 22:56:58 +0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-05-08 16:04:11 -0700
commitabd5a2fb3957b5a6eb8083044a61e1b95b770abf (patch)
tree33c16b6cada866cb61b595dab1d113035d255719 /drivers/iio
parent5a28c87397655cb0d791d04e45bd7cd5691ba0f2 (diff)
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: Axel Lin <axel.lin@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/iio')
-rw-r--r--drivers/iio/industrialio-core.c5
1 files changed, 1 insertions, 4 deletions
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index 52aa44a8e20..b39a5875790 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -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");