Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751821AbaDAICV (ORCPT ); Tue, 1 Apr 2014 04:02:21 -0400 Received: from smtp.codeaurora.org ([198.145.11.231]:56112 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751752AbaDAICP (ORCPT ); Tue, 1 Apr 2014 04:02:15 -0400 From: Tanya Brokhman To: dedekind1@gmail.com Cc: linux-mtd@lists.infradead.org, Tanya Brokhman , linux-kernel@vger.kernel.org (open list) Subject: [RFC/PATCH] mtd: ubi: Fix ubi free PEBs count calculation Date: Tue, 1 Apr 2014 11:02:07 +0300 Message-Id: <1396339327-16090-1-git-send-email-tlinder@codeaurora.org> X-Mailer: git-send-email 1.7.6 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The ubi->free_count should be updated with every insert/remove to/from the ubi->free list. Signed-off-by: Tanya Brokhman diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index 9a36f78..ca74d19 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -690,6 +690,8 @@ static struct ubi_wl_entry *get_peb_for_wl(struct ubi_device *ubi) e = find_wl_entry(ubi, &ubi->free, WL_FREE_MAX_DIFF); self_check_in_wl_tree(ubi, e, &ubi->free); + ubi->free_count--; + ubi_assert(ubi->free_count >= 0); rb_erase(&e->u.rb, &ubi->free); return e; @@ -1090,6 +1092,7 @@ static int wear_leveling_worker(struct ubi_device *ubi, struct ubi_work *wrk, /* Give the unused PEB back */ wl_tree_add(e2, &ubi->free); + ubi->free_count++; goto out_cancel; } self_check_in_wl_tree(ubi, e1, &ubi->used); -- 1.7.6 -- QUALCOMM ISRAEL, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundat -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/