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msm: camera: req_mgr: Validate active sequence id in link control

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Validate active sequence id before clear bit. This avoid
invalid clear bit scenario if link is created but try to
deactivate with out link activate.

CRs-Fixed: 2909190
Change-Id: Ie12f6bb100e1e12c41b9addf516446f4088ae8a3
Signed-off-by: Ravikishore Pampana <rpampana@codeaurora.org>
This commit is contained in:
Ravikishore Pampana 2021-03-27 14:32:34 +05:30
commit 4580f024fe
1 changed files with 4 additions and 1 deletions
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5
drivers/cam_req_mgr/cam_req_mgr_core.c
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@ -5001,7 +5001,10 @@ int cam_req_mgr_link_control(struct cam_req_mgr_link_control *control)
link->state = CAM_CRM_LINK_STATE_IDLE;
link->skip_init_frame = false;
crm_timer_exit(&link->watchdog);
clear_bit(link->activate_seq, g_crm_core_dev->bitmap);
if ((link->activate_seq >= 0) &&
(link->activate_seq < MAXIMUM_LINKS_PER_SESSION))
clear_bit(link->activate_seq, g_crm_core_dev->bitmap);
link->activate_seq = -1;
spin_unlock_bh(&link->link_state_spin_lock);
CAM_DBG(CAM_CRM,