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| author | Linux Build Service Account <lnxbuild@quicinc.com> | 2017-07-14 04:01:28 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2017-07-14 04:01:28 -0700 |
| commit | eaea16f0b2155f39cb14aef60aeb91a3cf0e1c1d (patch) | |
| tree | 06476f1f86cec83963d0a4e63cd0dc2061973435 | |
| parent | a189faf3657d9c5c27a55f593bc7a0de7a067e20 (diff) | |
| parent | d191752dd921a82deef2d3c7516d10f3c4d3bc03 (diff) | |
Merge "fbdev: msm: Add check for fence count"
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_mdp_layer.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/video/fbdev/msm/mdss_mdp_layer.c b/drivers/video/fbdev/msm/mdss_mdp_layer.c index e44edb8fbea7..3ccc09d58480 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_layer.c +++ b/drivers/video/fbdev/msm/mdss_mdp_layer.c @@ -3131,6 +3131,14 @@ int mdss_mdp_layer_pre_commit_wfd(struct msm_fb_data_type *mfd, sync_pt_data = &mfd->mdp_sync_pt_data; mutex_lock(&sync_pt_data->sync_mutex); count = sync_pt_data->acq_fen_cnt; + + if (count >= MDP_MAX_FENCE_FD) { + pr_err("Reached maximum possible value for fence count\n"); + mutex_unlock(&sync_pt_data->sync_mutex); + rc = -EINVAL; + goto input_layer_err; + } + sync_pt_data->acq_fen[count] = fence; sync_pt_data->acq_fen_cnt++; mutex_unlock(&sync_pt_data->sync_mutex); |