ntb: intel: Fix the NULL vs IS_ERR() bug for debugfs_create_dir()
[ Upstream commit e229897d373a87ee09ec5cc4ecd4bb2f895fc16b ] The debugfs_create_dir() function returns error pointers. It never returns NULL. So use IS_ERR() to check it. Fixes: e26a5843 ("NTB: Split ntb_hw_intel and ntb_transport drivers") Signed-off-by:Jinjie Ruan <ruanjinjie@huawei.com> Reviewed-by:
Dave Jiang <dave.jiang@intel.com> Signed-off-by:
Jon Mason <jdmason@kudzu.us> Signed-off-by:
Sasha Levin <sashal@kernel.org>
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