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drm/nouveau/i2c: drop parent refcount when creating ports

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Fixes issue where i2c subdev never gets destroyed due to its subobjects
holding references.  This will mean the i2c subdev refcount goes
negative during its destruction, but this isn't an issue in practice.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2013-02-27 09:52:47 +10:00
parent 67f9718b08
commit 42bed34c36
1 changed files with 1 additions and 0 deletions
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drivers/gpu/drm/nouveau/core/subdev/i2c/base.c
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@ -142,6 +142,7 @@ nouveau_i2c_port_create_(struct nouveau_object *parent,
/* drop port's i2c subdev refcount, i2c handles this itself */
if (ret == 0) {
list_add_tail(&port->head, &i2c->ports);
atomic_dec(&parent->refcount);
atomic_dec(&engine->refcount);
}