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v4l2: respect MAX_CONTROLS limit

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This commit is contained in:
Wim Taymans 2018-02-07 18:14:11 +01:00
parent 3289e3fb7e
commit c5df05d3f3
1 changed files with 3 additions and 0 deletions
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3
spa/plugins/v4l2/v4l2-utils.c
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@ -1029,6 +1029,9 @@ spa_v4l2_enum_controls(struct impl *this,
if (queryctrl.flags & V4L2_CTRL_FLAG_DISABLED) if (queryctrl.flags & V4L2_CTRL_FLAG_DISABLED)
goto next; goto next;
if (port->n_controls >= MAX_CONTROLS)
goto enum_end;
ctrl_id = queryctrl.id & ~next_fl; ctrl_id = queryctrl.id & ~next_fl;
spa_pod_builder_init(&b, buffer, sizeof(buffer)); spa_pod_builder_init(&b, buffer, sizeof(buffer));