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The DASD driver only uses the dentry pointers when removing debugfs entries, and debugfs_remove() can safely handle both NULL and ERR_PTR. There is therefore no need to check debugfs_create() return values. This simplifies the debugfs setup code without changing functionality. Suggested-by: Heiko Carstens <hca@linux.ibm.com> Reviewed-by: Heiko Carstens <hca@linux.ibm.com> Reviewed-by: Jan Hoeppner <hoeppner@linux.ibm.com> Signed-off-by: Stefan Haberland <sth@linux.ibm.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>