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From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: Baruch Siach <baruch@tkos.co.il>
Cc: linux-i2c@vger.kernel.org
Subject: Re: [PATCH] i2c: smbus: fix NULL function pointer dereference
Date: Fri, 26 Apr 2024 08:43:18 +0200	[thread overview]
Message-ID: <20240426064318.ujhe2f25r5uwnctl@ninjato> (raw)
In-Reply-To: <4269631780e5ba789cf1ae391eec1b959def7d99.1712761976.git.baruch@tkos.co.il>

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Hi Baruch,

> Callers of __i2c_transfer() must verify that master_xfer is not NULL.
> Check that before i2c_smbus_xfer_emulated() call.

Right, thank you very much for this report! I think we should have a
more defensive solution, though. I'll send my idea next. If you could
check it, that would be much appreciated.

All the best,

   Wolfram


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  reply	other threads:[~2024-04-26  6:43 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-10 15:12 [PATCH] i2c: smbus: fix NULL function pointer dereference Baruch Siach
2024-04-26  6:43 ` Wolfram Sang [this message]
2024-04-26  6:44 Wolfram Sang
2024-04-26  7:28 ` Sergei Shtylyov
2024-04-26  8:39   ` Wolfram Sang
2024-04-26  8:32 ` Baruch Siach
2024-04-26  9:52 ` Wolfram Sang
2024-05-30 13:24 ` Jean Delvare
2024-06-04  8:50   ` Wolfram Sang
2024-06-04 15:11     ` Jean Delvare
2024-06-04 20:08       ` Wolfram Sang
2024-06-05  9:20         ` Jean Delvare

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