diff options
| author | Shalini Krishnamoorthi <shakri@codeaurora.org> | 2016-06-21 15:50:05 -0700 |
|---|---|---|
| committer | Harsh Sahu <hsahu@codeaurora.org> | 2016-11-11 12:09:45 -0800 |
| commit | 665a666fc792ff9e40601b2b4e9cdcc8e9d08924 (patch) | |
| tree | 15d601aa85037cc327316e503ea149843d1cc619 /drivers/video/fbdev | |
| parent | 4ba1744f2e3350a6aafd26126b3d860227a5e952 (diff) | |
msm: mdss: Add null check for dma buffer memory
The dma buffer is checked only for error and not null. Changes
are added to check if the buffer is null to prevent accessing
invalid MUTEX lock or invalid dma buffer memory.
CRs-Fixed: 1032180
Change-Id: Ia1ed1238b084d04eb787d078f7bb47a4e2a62a8a
Signed-off-by: Shalini Krishnamoorthi <shakri@codeaurora.org>
Diffstat (limited to 'drivers/video/fbdev')
| -rw-r--r-- | drivers/video/fbdev/msm/mdss_mdp_util.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/video/fbdev/msm/mdss_mdp_util.c b/drivers/video/fbdev/msm/mdss_mdp_util.c index 199c2b66d90e..35ea5d8b4394 100644 --- a/drivers/video/fbdev/msm/mdss_mdp_util.c +++ b/drivers/video/fbdev/msm/mdss_mdp_util.c @@ -1027,7 +1027,7 @@ static int mdss_mdp_get_img(struct msmfb_data *img, } else if (iclient) { if (mdss_mdp_is_map_needed(mdata, data)) { data->srcp_dma_buf = dma_buf_get(img->memory_id); - if (IS_ERR(data->srcp_dma_buf)) { + if (IS_ERR_OR_NULL(data->srcp_dma_buf)) { pr_err("error on ion_import_fd\n"); ret = PTR_ERR(data->srcp_dma_buf); data->srcp_dma_buf = NULL; |