From: Chris Ruehl <chris.ruehl@gtsys.com.hk>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: s.hauer@pengutronix.de, mpa@pengutronix.de,
linux-mmc@vger.kernel.org, linux-arm@lists.infradead.org
Subject: Re: [PATCH] mxcmmc: Internal error: Oops: 17 [#1] ARM from sg->offset
Date: Wed, 22 Jan 2014 18:26:29 +0800 [thread overview]
Message-ID: <52DF9CD5.6060707@gtsys.com.hk> (raw)
In-Reply-To: <20140122101137.GX15937@n2100.arm.linux.org.uk>
On Wednesday, January 22, 2014 06:11 PM, Russell King - ARM Linux wrote:
> On Wed, Jan 22, 2014 at 12:32:39PM +0800, Chris Ruehl wrote:
>> diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
>> index f7199c8..8645d6a 100644
>> --- a/drivers/mmc/host/mxcmmc.c
>> +++ b/drivers/mmc/host/mxcmmc.c
>> @@ -347,7 +347,7 @@ static int mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data)
>> return 0;
>>
>> for_each_sg(data->sg, sg, data->sg_len, i) {
>> - if (sg->offset & 3 || sg->length & 3 || sg->length < 512) {
>> + if (sg && (sg->offset & 3 || sg->length & 3 || sg->length < 512)) {
> sg should never be NULL here - so this is probably papering over a bug.
>
I agree, and this patch should not apply to the kernel,, . Its my fix
for my production mainboard
only. I report the Oops but not get any response back. I'm sorry to
wast your time.
Chris
next prev parent reply other threads:[~2014-01-22 10:24 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-22 4:32 [PATCH] mxcmmc: Internal error: Oops: 17 [#1] ARM from sg->offset Chris Ruehl
2014-01-22 6:42 ` Sascha Hauer
2014-01-22 7:19 ` Chris Ruehl
2014-01-22 7:23 ` Sascha Hauer
2014-01-22 7:47 ` Chris Ruehl
2014-01-22 8:32 ` Chris Ruehl
2014-01-23 9:01 ` Chris Ruehl
2014-01-24 21:52 ` Sascha Hauer
2014-01-22 10:11 ` Russell King - ARM Linux
2014-01-22 10:26 ` Chris Ruehl [this message]
2014-02-04 7:03 ` Chris Ruehl
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