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| author | Jayant Shekhar <jshekhar@codeaurora.org> | 2017-03-23 15:46:50 +0530 |
|---|---|---|
| committer | Jayant Shekhar <jshekhar@codeaurora.org> | 2017-03-23 16:04:50 +0530 |
| commit | 7dfdf9a42072fdb7949e142017721f65e5eeacec (patch) | |
| tree | fcb05f6583eb35b80ebb4441606139781ae33bb6 | |
| parent | 630218f7109215471e1f43c2200f6bdc98f92f93 (diff) | |
msm: mdss: Validate destination scaler based on count
If destination scaler count value is 0, don't parse
destination scaler structure in validate IOCTL.
Change-Id: Ie65b7b0b304108990406e25db55ee841f9316e17
Signed-off-by: Jayant Shekhar <jshekhar@codeaurora.org>
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_mdp_layer.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/video/fbdev/msm/mdss_mdp_layer.c b/drivers/video/fbdev/msm/mdss_mdp_layer.c index fce667a2126d..92b95b93462b 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_layer.c +++ b/drivers/video/fbdev/msm/mdss_mdp_layer.c @@ -2595,9 +2595,10 @@ static int __validate_layers(struct msm_fb_data_type *mfd, } ds_data = commit->dest_scaler; - if (test_bit(MDSS_CAPS_DEST_SCALER, mdata->mdss_caps_map) && - ds_data && (ds_data->flags & MDP_DESTSCALER_ENABLE) && - commit->dest_scaler_cnt) { + + if (test_bit(MDSS_CAPS_DEST_SCALER, mdata->mdss_caps_map) + && ds_data && commit->dest_scaler_cnt + && (ds_data->flags & MDP_DESTSCALER_ENABLE)) { /* * Find out which DS block to use based on DS commit info |