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| author | Ben Skeggs <bskeggs@redhat.com> | 2013-02-27 09:52:47 +1000 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2013-03-04 11:46:20 +1000 |
| commit | 42bed34c364786b3757f9d788d8ed39120e8f1b5 (patch) | |
| tree | 211380b5882d938b20c39456676df793ef5dd938 | |
| parent | 67f9718b084ea7100cefa39b02863fcb14102f8c (diff) | |
| download | linux-security-42bed34c364786b3757f9d788d8ed39120e8f1b5.tar.gz | |
drm/nouveau/i2c: drop parent refcount when creating ports
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>
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/subdev/i2c/base.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c index a114a0ed7e98d1..2e98e8a3f1aa33 100644 --- a/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c +++ b/drivers/gpu/drm/nouveau/core/subdev/i2c/base.c @@ -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); } |