Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755459Ab2F0P6O (ORCPT ); Wed, 27 Jun 2012 11:58:14 -0400 Received: from a.ns.miles-group.at ([95.130.255.143]:47835 "EHLO radon.swed.at" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752672Ab2F0P6M (ORCPT ); Wed, 27 Jun 2012 11:58:12 -0400 From: Richard Weinberger To: linux-mtd@lists.infradead.org Cc: linux-kernel@vger.kernel.org, adrian.hunter@intel.com, Heinz.Egger@linutronix.de, thomas.wucher@linutronix.de, shmulik.ladkani@gmail.com, tglx@linutronix.de, tim.bird@am.sony.com, Marius.Mazarel@ugal.ro, artem.bityutskiy@linux.intel.com, nyoushchenko@mvista.com, Richard Weinberger Subject: [PATCH 01/16] UBI: Fastmap: Check find_mean_wl_entry()'s return value Date: Wed, 27 Jun 2012 17:57:41 +0200 Message-Id: <1340812676-14460-2-git-send-email-richard@nod.at> X-Mailer: git-send-email 1.7.6.5 In-Reply-To: <1340812676-14460-1-git-send-email-richard@nod.at> References: <1340812676-14460-1-git-send-email-richard@nod.at> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 784 Lines: 30 find_mean_wl_entry() is allowed to return NULL. Signed-off-by: Richard Weinberger --- drivers/mtd/ubi/wl.c | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index b44cba0..85a3373 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -509,6 +509,10 @@ retry: } e = find_mean_wl_entry(ubi, &ubi->free); + if (!e) { + ubi_err("no free eraseblocks"); + return -ENOSPC; + } self_check_in_wl_tree(ubi, e, &ubi->free); -- 1.7.6.5 -- 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/