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disp: msm: dp: add operation to free the mst port object

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Add a release operation to free the mst port object when
the object refcount becomes zero.

Change-Id: If628e6da7ccf90d334574ed0f627788fb0a1fa2f
Signed-off-by: Samantha Tran <samtran@codeaurora.org>
This commit is contained in:
Samantha Tran 2019-05-07 15:07:30 -07:00
commit d76c3a72ec
1 changed files with 9 additions and 1 deletions
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10
msm/dp/dp_mst_drm.c
View file

@ -152,6 +152,13 @@ struct dp_mst_encoder_info_cache {
struct dp_mst_private dp_mst;
struct dp_mst_encoder_info_cache dp_mst_enc_cache;
static void dp_mst_sim_destroy_port(struct kref *ref)
{
struct drm_dp_mst_port *port = container_of(ref,
struct drm_dp_mst_port, kref);
kfree(port);
}
/* DRM DP MST Framework simulator OPs */
static void dp_mst_sim_add_port(struct dp_mst_private *mst,
struct dp_mst_sim_port_data *port_msg)
@ -196,13 +203,14 @@ static void dp_mst_sim_add_port(struct dp_mst_private *mst,
mutex_lock(&mstb->mgr->lock);
list_del(&port->next);
mutex_unlock(&mstb->mgr->lock);
kref_put(&port->kref, dp_mst_sim_destroy_port);
goto put_port;
}
(*mstb->mgr->cbs->register_connector)(port->connector);
}
put_port:
kref_put(&port->kref, NULL);
kref_put(&port->kref, dp_mst_sim_destroy_port);
}
static void dp_mst_sim_link_probe_work(struct work_struct *work)