mm/demotion: fix NULL vs IS_ERR checking in memory_tier_init

alloc_memory_type() returns error pointers on error instead of NULL.  Use
IS_ERR() to check the return value to fix this.

Link: https://lkml.kernel.org/r/[email protected]
Fixes: 7b88bda3761b ("mm/demotion/dax/kmem: set node's abstract distance to MEMTIER_DEFAULT_DAX_ADISTANCE")
Signed-off-by: Miaoqian Lin <[email protected]>
Reviewed-by: "Huang, Ying" <[email protected]>
Cc: Aneesh Kumar K.V <[email protected]>
Cc: Wei Xu <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>

0 files changed, 0 insertions, 0 deletions