<div style="line-height:1.7;color:#000000;font-size:14px;font-family:Arial"><div style="margin: 0;">Hi <span style="font-family: arial; white-space-collapse: preserve;">Eddie,</span></div><div style="margin: 0;"><span style="font-family: arial; white-space-collapse: preserve;"> </span><font face="arial"><span style="white-space-collapse: preserve;">I can't see from </span></font><span style="font-family: arial; white-space-collapse: preserve;"><a href="https://lore.kernel.org/openbmc/374237cb-1cda-df12-eb9f-7422cab51fc4@linux.alibaba.com/" _src="https://lore.kernel.org/openbmc/374237cb-1cda-df12-eb9f-7422cab51fc4@linux.alibaba.com/">https://lore.kernel.org/openbmc/374237cb-1cda-df12-eb9f-7422cab51fc4@linux.alibaba.com/</a> </span><span style="white-space-collapse: preserve; font-family: arial;"> why the patch was rejected. </span></div><div style="margin: 0;"><span style="white-space-collapse: preserve; font-family: arial;"> can you tell me why? After all, this problem will always happen.</span></div><div style="margin: 0;"><br></div><div style="margin: 0;">Thanks.</div><p style="margin: 0;"><br></p><p style="margin: 0;"><br></p><p style="margin: 0;"><br></p><div style="position:relative;zoom:1"></div><div id="divNeteaseMailCard"></div><p style="margin: 0;"><br></p><pre><br>At 2023-08-02 21:41:16, "Eddie James" <eajames@linux.ibm.com> wrote:
>
>On 7/31/23 01:10, Lei YU wrote:
>> There is a same fix in
>> https: //lore. kernel. org/openbmc/374237cb-1cda-df12-eb9f-7422cab51fc4@ linux. alibaba. com/
>> On Mon, Jul 31, 2023 at 12: 21 PM Joel Stanley <joel@ jms. id. au>
>> wrote: On Fri, 28 Jul 2023 at 12: 40, Lixue Liang
>> <lianglixuehao@ 126. com>
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>> There is a same fix in
>> https://lore.kernel.org/openbmc/374237cb-1cda-df12-eb9f-7422cab51fc4@linux.alibaba.com/
>>
>> On Mon, Jul 31, 2023 at 12:21 PM Joel Stanley <joel@jms.id.au> wrote:
>>
>> On Fri, 28 Jul 2023 at 12:40, Lixue Liang <lianglixuehao@126.com>
>> wrote:
>> >
>> > From: Lixue Liang <lianglixue@greatwall.com.cn>
>> >
>> > After waiting for the transmission timeout, the I2C controller will
>> > continue to transmit data when the bus is idle. Clearing
>> bus->msg will
>> > avoid kernel panic when accessing the freed msg->buf in
>> > aspeed_i2c_master_irq.
>> >
>> > Signed-off-by: Lixue Liang <lianglixue@greatwall.com.cn>
>> > ---
>> > drivers/i2c/busses/i2c-aspeed.c | 2 ++
>> > 1 file changed, 2 insertions(+)
>> >
>> > diff --git a/drivers/i2c/busses/i2c-aspeed.c
>> b/drivers/i2c/busses/i2c-aspeed.c
>> > index 2e5acfeb76c8..c83057497e26 100644
>> > --- a/drivers/i2c/busses/i2c-aspeed.c
>> > +++ b/drivers/i2c/busses/i2c-aspeed.c
>> > @@ -713,6 +713,8 @@ static int aspeed_i2c_master_xfer(struct
>> i2c_adapter *adap,
>> > spin_lock_irqsave(&bus->lock, flags);
>> > if (bus->master_state == ASPEED_I2C_MASTER_PENDING)
>> > bus->master_state =
>> ASPEED_I2C_MASTER_INACTIVE;
>> > +
>> > + bus->msgs = NULL;
>>
>> Eddie, is this the same issue you were debugging?
>>
>
>Yes, it is, and the same fix I settled on.
>
>
>>
>> > spin_unlock_irqrestore(&bus->lock, flags);
>> >
>> > return -ETIMEDOUT;
>> > --
>> > 2.27.0
>> >
>>
</pre></div>