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From: Adrian Hunter <adrian.hunter@nokia.com>
To: Pierre Ossman <pierre@ossman.eu>
Cc: Jarkko Lavinen <jarkko.lavinen@nokia.com>,
	Denis Karpov <ext-denis.2.karpov@nokia.com>,
	Adrian Hunter <adrian.hunter@nokia.com>,
	lkml <linux-kernel@vger.kernel.org>,
	linux-omap Mailing List <linux-omap@vger.kernel.org>
Subject: [PATCH 22/32] omap_hsmmc: fix NULL pointer dereference
Date: Fri, 10 Jul 2009 15:42:41 +0300	[thread overview]
Message-ID: <20090710124241.1262.79000.sendpatchset@ahunter-tower> (raw)
In-Reply-To: <20090710124004.1262.10422.sendpatchset@ahunter-tower>

>From ece776be05f73787dad93802000f2d04218197d0 Mon Sep 17 00:00:00 2001
From: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Date: Tue, 12 May 2009 19:46:14 +0300
Subject: [PATCH] omap_hsmmc: fix NULL pointer dereference

Do not call 'mmc_omap_xfer_done()' if the request is
already done.

Signed-off-by: Jarkko Lavinen <jarkko.lavinen@nokia.com>
Signed-off-by: Adrian Hunter <adrian.hunter@nokia.com>
---
 drivers/mmc/host/omap_hsmmc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index 41c330d..fe46234 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -670,7 +670,7 @@ static irqreturn_t mmc_omap_irq(int irq, void *dev_id)
 
 	if (end_cmd || ((status & CC) && host->cmd))
 		mmc_omap_cmd_done(host, host->cmd);
-	if (end_trans || (status & TC))
+	if ((end_trans || (status & TC)) && host->mrq)
 		mmc_omap_xfer_done(host, data);
 
 	return IRQ_HANDLED;
-- 
1.5.6.3


  parent reply	other threads:[~2009-07-10 12:39 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-07-10 12:40 [PATCH 0/32] mmc and omap_hsmmc patches Adrian Hunter
2009-07-10 12:40 ` [PATCH 1/32] mmc: add 'enable' and 'disable' methods to mmc host Adrian Hunter
2009-07-10 17:15   ` Madhusudhan
2009-07-10 19:12     ` Adrian Hunter
2009-07-23 20:37   ` Linus Walleij
2009-07-10 12:40 ` [PATCH 2/32] mmc: allow host claim / release nesting Adrian Hunter
2009-07-10 12:40 ` [PATCH 3/32] mmc: add MMC_CAP_NONREMOVABLE host capability Adrian Hunter
2009-07-10 12:40 ` [PATCH 4/32] mmc: add ability to save power by powering off cards Adrian Hunter
2009-07-10 12:40 ` [PATCH 5/32] mmc: add mmc card sleep and awake support Adrian Hunter
2009-07-10 12:40 ` [PATCH 6/32] mmc: power off once at removal Adrian Hunter
2009-07-10 12:40 ` [PATCH 7/32] mmc: add host capabilities for SD only and MMC only Adrian Hunter
2009-07-25 15:53   ` Matt Fleming
2009-07-25 16:17     ` Adrian Hunter
2009-07-25 18:40       ` Matt Fleming
2009-07-25 19:45         ` Adrian Hunter
2009-07-25 23:51           ` Matt Fleming
2009-07-26  6:14             ` Adrian Hunter
2009-07-10 12:41 ` [PATCH 8/32] mmc: check status after MMC SWITCH command Adrian Hunter
2009-07-10 12:41 ` [PATCH 9/32] omap_hsmmc: add debugfs entry (host registers) Adrian Hunter
2009-07-10 12:41 ` [PATCH 10/32] omap_hsmmc: make use of new enable/disable interface Adrian Hunter
2009-07-10 12:41 ` [PATCH 11/32] ARM: OMAP: mmc-twl4030: add context loss counter support Adrian Hunter
2009-07-10 12:41 ` [PATCH 12/32] omap_hsmmc: keep track of power mode Adrian Hunter
2009-07-10 12:41 ` [PATCH 13/32] omap_hsmmc: context save/restore support Adrian Hunter
2009-07-10 12:41 ` [PATCH 14/32] omap_hsmmc: set open drain bit correctly Adrian Hunter
2009-07-10 12:41 ` [PATCH 15/32] omap_hsmmc: ensure workqueues are empty before suspend Adrian Hunter
2009-07-10 12:41 ` [PATCH 16/32] omap_hsmmc: fix scatter-gather list sanity checking Adrian Hunter
2009-07-10 12:42 ` [PATCH 17/32] omap_hsmmc: make use of new MMC_CAP_NONREMOVABLE host capability Adrian Hunter
2009-07-10 12:42 ` [PATCH 18/32] omap_hsmmc: support for deeper power saving states Adrian Hunter
2009-07-10 12:42 ` [PATCH 19/32] ARM: OMAP: mmc-twl4030: add regulator sleep / wake function Adrian Hunter
2009-07-10 12:42 ` [PATCH 20/32] omap_hsmmc: put MMC regulator to sleep Adrian Hunter
2009-07-24 22:51   ` Andrew Morton
2009-07-26  6:34     ` Adrian Hunter
2009-07-10 12:42 ` [PATCH 21/32] omap_hsmmc: add mmc card sleep and awake support Adrian Hunter
2009-07-10 12:42 ` Adrian Hunter [this message]
2009-07-10 12:42 ` [PATCH 23/32] omap_hsmmc: cleanup macro usage Adrian Hunter
2009-07-10 12:42 ` [PATCH 24/32] omap_hsmmc: clear interrupt status after init sequence Adrian Hunter
2009-07-10 12:43 ` [PATCH 25/32] omap_hsmmc: cater for weird CMD6 behaviour Adrian Hunter
2009-07-10 12:43 ` [PATCH 26/32] omap_hsmmc: prevent races with irq handler Adrian Hunter
2009-07-24 22:53   ` Andrew Morton
2009-07-27  9:06     ` Adrian Hunter
2009-07-10 12:43 ` [PATCH 27/32] omap_hsmmc: pass host capabilities for SD only and MMC only Adrian Hunter
2009-07-10 12:43 ` [PATCH 28/32] omap_hsmmc: code refactoring Adrian Hunter
2009-07-10 12:43 ` [PATCH 29/32] omap_hsmmc: protect the card when the cover is open Adrian Hunter
2009-07-10 12:43 ` [PATCH 30/32] omap_hsmmc: ensure all clock enables and disables are paired Adrian Hunter
2009-07-10 12:43 ` [PATCH 31/32] omap_hsmmc: set a large data timeout for commands with busy signal Adrian Hunter
2009-07-10 12:43 ` [PATCH 32/32] ARM: OMAP: RX51: set MMC capabilities and power-saving flag Adrian Hunter
2009-07-25 23:53   ` Matt Fleming
2009-07-27  7:58     ` Adrian Hunter
2009-07-27  8:27       ` Matt Fleming
2009-07-27  8:58         ` Adrian Hunter
2009-07-27  9:15           ` Matt Fleming
     [not found]             ` <20090727102111.GI12665@console-pimps.org>
2009-07-27 11:02               ` Adrian Hunter
2009-07-27 18:14                 ` Andrew Morton
2009-07-27 19:32                   ` Matt Fleming
2009-07-26 19:57 ` [PATCH 0/32] mmc and omap_hsmmc patches Matt Fleming

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