Re: [PATCH net-next v3] netdevsim: correctly check return value of debugfs_create_dir

From: Prashant Bhole <redacted>
Date: Wed, 20 Dec 2017 12:18:57 +0900

- Checking return value with IS_ERROR_OR_NULL
- Added error handling where it was not handled

Signed-off-by: Prashant Bhole <redacted>
Acked-by: Jakub Kicinski <redacted>
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v3: nit-pick: directly returning error instead of going to label

Applied.