msm: camera: reqmgr: Validate num links in link control



This change vaildates num of links passed as part of link
control to avoid invalid memory access.

Change-Id: If389296dae01b2029fcdfd9db8a2de42460f7d75
Signed-off-by: Karthik Anantha Ram <kartanan@codeaurora.org>

parent d1f1dd37

drivers/media/platform/msm/camera/cam_req_mgr/cam_req_mgr_core.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -2929,7 +2929,8 @@ int cam_req_mgr_link_control(struct cam_req_mgr_link_control *control)
		goto end;
		}

		if (control->num_links > MAX_LINKS_PER_SESSION) {
		if ((control->num_links <= 0) \|\|
		(control->num_links > MAX_LINKS_PER_SESSION)) {
		CAM_ERR(CAM_CRM, "Invalid number of links %d",
		control->num_links);
		rc = -EINVAL;