diff --git a/drivers/video/msm/mdss/mdss_fb.c b/drivers/video/msm/mdss/mdss_fb.c
index 211b540..f23c570 100644
--- a/drivers/video/msm/mdss/mdss_fb.c
+++ b/drivers/video/msm/mdss/mdss_fb.c
@@ -1173,6 +1173,8 @@
 	struct mdss_fb_proc_info *pinfo = NULL, *temp_pinfo = NULL;
 	int ret = 0;
 	int pid = current->tgid;
+	bool unknown_pid = true;
+	struct task_struct *task;
 
 	if (!mfd->ref_cnt) {
 		pr_info("try to close unopened fb %d!\n", mfd->index);
@@ -1187,6 +1189,7 @@
 		if (!release_all && (pinfo->pid != pid))
 			continue;
 
+		unknown_pid = false;
 		pr_debug("found process entry pid=%d ref=%d\n", pinfo->pid,
 			pinfo->ref_cnt);
 
@@ -1212,6 +1215,20 @@
 		}
 	}
 
+	if (unknown_pid) {
+		task = current->group_leader;
+		pr_debug("unknown process %s pid=%d mfd->ref_cnt=%d\n",
+			task->comm, pid, mfd->ref_cnt);
+
+		mfd->ref_cnt--;
+		if (mfd->mdp.release_fnc) {
+			ret = mfd->mdp.release_fnc(mfd);
+			if (ret)
+				pr_err("error releasing fb%d pid=%d\n",
+					mfd->index, pinfo->pid);
+		}
+	}
+
 	if (!mfd->ref_cnt) {
 		ret = mdss_fb_blank_sub(FB_BLANK_POWERDOWN, info,
 			mfd->op_enable);