linux-kernel - Re: [PATCH] wifi: cw1200: Fix potential NULL dereference

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Message-ID: <87jzbymldo.fsf@kernel.org>
Date: Tue, 17 Dec 2024 16:31:31 +0200
From: Kalle Valo <kvalo@...nel.org>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: linux-wireless@...r.kernel.org,  linux-kernel@...r.kernel.org,  kernel
 test robot <lkp@...el.com>,  Dan Carpenter <dan.carpenter@...aro.org>
Subject: Re: [PATCH] wifi: cw1200: Fix potential NULL dereference

Linus Walleij <linus.walleij@...aro.org> writes:

> A recent refactoring was identified by static analysis to
> cause another potential NULL dereference, fix this!
>
> Reported-by: kernel test robot <lkp@...el.com>
> Reported-by: Dan Carpenter <dan.carpenter@...aro.org>
> Closes: https://lore.kernel.org/r/202411271742.Xa7CNVh1-lkp@intel.com/
> Fixes: 2719a9e7156c ("wifi: cw1200: Convert to GPIO descriptors")
> Signed-off-by: Linus Walleij <linus.walleij@...aro.org>

If it's ok for you, I'll add the smatch warning to the commit message:

drivers/net/wireless/st/cw1200/cw1200_spi.c:440 cw1200_spi_disconnect() error: we previously assumed 'self' could be null (see line 433)


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