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[96.241.56.252]) by smtp.gmail.com with ESMTPSA id v40sm7435414qtj.81.2017.11.10.19.54.54 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Fri, 10 Nov 2017 19:54:54 -0800 (PST) Message-ID: <5a06748e.2b1ac80a.cc211.e761@mx.google.com> From: Frank Mori Hess Date: Fri, 10 Nov 2017 22:34:18 -0500 Subject: [PATCH] Avoid passing uninitialized wbuf_dwork to cancel_delayed_work_sync during jffs2 sync. Resent-Message-ID: <201711102254.49989.> Resent-Date: Fri, 10 Nov 2017 22:54:49 -0500 Resent-From: Frank Mori Hess Resent-To: linux-mtd@lists.infradead.org MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20171110_195521_123373_E5AFFA44 X-CRM114-Status: UNSURE ( 7.45 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.0 (-) X-Spam-Report: SpamAssassin version 3.4.1 on bombadil.infradead.org summary: Content analysis details: (-1.0 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at http://www.dnswl.org/, no trust [2607:f8b0:400d:c0d:0:0:0:233 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 1.0 MISSING_HEADERS Missing To: header 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (fmh6jj[at]gmail.com) -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% [score: 0.0000] -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-mtd" Errors-To: linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org --- fs/jffs2/super.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/jffs2/super.c b/fs/jffs2/super.c index 153f1c6eb169..4da67675e7ca 100644 --- a/fs/jffs2/super.c +++ b/fs/jffs2/super.c @@ -101,7 +101,8 @@ static int jffs2_sync_fs(struct super_block *sb, int wait) struct jffs2_sb_info *c = JFFS2_SB_INFO(sb); #ifdef CONFIG_JFFS2_FS_WRITEBUFFER - cancel_delayed_work_sync(&c->wbuf_dwork); + if (c->wbuf != NULL) + cancel_delayed_work_sync(&c->wbuf_dwork); #endif mutex_lock(&c->alloc_sem);