mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-12-30 01:46:30 -05:00
75 lines
2.8 KiB
Diff
75 lines
2.8 KiB
Diff
From 8d1f7531ff379befc129a6447642061e87562bca Mon Sep 17 00:00:00 2001
|
|
From: Hariram Purushothaman <hpurus@codeaurora.org>
|
|
Date: Tue, 23 Jul 2013 15:39:09 -0700
|
|
Subject: msm: camera: Check stats index MAX in ISP driver
|
|
|
|
Add a check for the stats index MAX using
|
|
MSM_ISP_STATS_MAX before accessing stream info
|
|
using that index to avoid any invalid memory access.
|
|
|
|
Change-Id: Iaade2af5d0e3e073e9519961a0f84a93038284bf
|
|
CRs-Fixed: 514711
|
|
Signed-off-by: Hariram Purushothaman <hpurus@codeaurora.org>
|
|
---
|
|
.../msm/camera_v2/isp/msm_isp_stats_util.c | 22 +++++++++++++++++++---
|
|
1 file changed, 19 insertions(+), 3 deletions(-)
|
|
|
|
diff --git a/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.c b/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.c
|
|
index d857a14..33f63b3 100644
|
|
--- a/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.c
|
|
+++ b/drivers/media/platform/msm/camera_v2/isp/msm_isp_stats_util.c
|
|
@@ -150,6 +150,12 @@ int msm_isp_stats_create_stream(struct vfe_device *vfe_dev,
|
|
stats_idx = vfe_dev->hw_info->vfe_ops.stats_ops.
|
|
get_stats_idx(stream_req_cmd->stats_type);
|
|
|
|
+ if ((stats_idx > MSM_ISP_STATS_MAX) ||
|
|
+ (stats_idx == -EINVAL)) {
|
|
+ pr_err("%s: Stats idx Error\n", __func__);
|
|
+ return rc;
|
|
+ }
|
|
+
|
|
stream_info = &stats_data->stream_info[stats_idx];
|
|
if (stream_info->state != STATS_AVALIABLE) {
|
|
pr_err("%s: Stats already requested\n", __func__);
|
|
@@ -188,7 +194,7 @@ int msm_isp_stats_create_stream(struct vfe_device *vfe_dev,
|
|
|
|
int msm_isp_request_stats_stream(struct vfe_device *vfe_dev, void *arg)
|
|
{
|
|
- int rc = 0;
|
|
+ int rc = -1;
|
|
struct msm_vfe_stats_stream_request_cmd *stream_req_cmd = arg;
|
|
struct msm_vfe_stats_stream *stream_info = NULL;
|
|
struct msm_vfe_stats_shared_data *stats_data = &vfe_dev->stats_data;
|
|
@@ -202,6 +208,11 @@ int msm_isp_request_stats_stream(struct vfe_device *vfe_dev, void *arg)
|
|
}
|
|
|
|
stats_idx = STATS_IDX(stream_req_cmd->stream_handle);
|
|
+ if (stats_idx > MSM_ISP_STATS_MAX) {
|
|
+ pr_err("%s: Stats idx Error\n", __func__);
|
|
+ return rc;
|
|
+ }
|
|
+
|
|
stream_info = &stats_data->stream_info[stats_idx];
|
|
|
|
framedrop_period = msm_isp_get_framedrop_period(
|
|
@@ -228,9 +239,14 @@ int msm_isp_release_stats_stream(struct vfe_device *vfe_dev, void *arg)
|
|
struct msm_vfe_stats_stream_release_cmd *stream_release_cmd = arg;
|
|
struct msm_vfe_stats_shared_data *stats_data = &vfe_dev->stats_data;
|
|
int stats_idx = STATS_IDX(stream_release_cmd->stream_handle);
|
|
- struct msm_vfe_stats_stream *stream_info =
|
|
- &stats_data->stream_info[stats_idx];
|
|
+ struct msm_vfe_stats_stream *stream_info = NULL;
|
|
+
|
|
+ if (stats_idx > MSM_ISP_STATS_MAX) {
|
|
+ pr_err("%s: Stats idx Error\n", __func__);
|
|
+ return rc;
|
|
+ }
|
|
|
|
+ stream_info = &stats_data->stream_info[stats_idx];
|
|
if (stream_info->state == STATS_AVALIABLE) {
|
|
pr_err("%s: stream already release\n", __func__);
|
|
return rc;
|
|
--
|
|
cgit v1.1
|
|
|