Loading drivers/cam_req_mgr/cam_req_mgr_core.c +13 −0 Original line number Original line Diff line number Diff line Loading @@ -1714,6 +1714,19 @@ static int __cam_req_mgr_process_req(struct cam_req_mgr_core_link *link, return -EINVAL; return -EINVAL; } } /* * In case if the wq is scheduled while destroying session * the session mutex is already taken and will cause a * dead lock. To avoid further processing check link state * and exit. */ spin_lock_bh(&link->link_state_spin_lock); if (link->state == CAM_CRM_LINK_STATE_IDLE) { spin_unlock_bh(&link->link_state_spin_lock); return -EPERM; } spin_unlock_bh(&link->link_state_spin_lock); mutex_lock(&session->lock); mutex_lock(&session->lock); in_q = link->req.in_q; in_q = link->req.in_q; /* /* Loading Loading
drivers/cam_req_mgr/cam_req_mgr_core.c +13 −0 Original line number Original line Diff line number Diff line Loading @@ -1714,6 +1714,19 @@ static int __cam_req_mgr_process_req(struct cam_req_mgr_core_link *link, return -EINVAL; return -EINVAL; } } /* * In case if the wq is scheduled while destroying session * the session mutex is already taken and will cause a * dead lock. To avoid further processing check link state * and exit. */ spin_lock_bh(&link->link_state_spin_lock); if (link->state == CAM_CRM_LINK_STATE_IDLE) { spin_unlock_bh(&link->link_state_spin_lock); return -EPERM; } spin_unlock_bh(&link->link_state_spin_lock); mutex_lock(&session->lock); mutex_lock(&session->lock); in_q = link->req.in_q; in_q = link->req.in_q; /* /* Loading
