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drm/vmwgfx: Return 0 when gmrid::get_node runs out of ID's

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If it's not a system error and get_node implementation accommodate the
buffer object then it should return 0 with memm::mm_node set to NULL.

v2: Test for id != -ENOMEM instead of id == -ENOSPC.

Cc: <stable@vger.kernel.org>
Fixes: 4eb085e42f ("drm/vmwgfx: Convert to new IDA API")
Signed-off-by: Deepak Rawat <drawat@vmware.com>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
This commit is contained in:
Deepak Rawat 2019-02-28 10:29:54 -08:00 committed by Thomas Hellstrom
parent 1c163f4c7b
commit 4b9ce3a651
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/vmwgfx/vmwgfx_gmrid_manager.c
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@ -57,7 +57,7 @@ static int vmw_gmrid_man_get_node(struct ttm_mem_type_manager *man,
id = ida_alloc_max(&gman->gmr_ida, gman->max_gmr_ids - 1, GFP_KERNEL);
if (id < 0)
return id;
return (id != -ENOMEM ? 0 : id);
spin_lock(&gman->lock);