[PATCH] dm: crash dump: remove redundant NULL check before kvfree()

[Coiby Xu]

On Fri, Jul 03, 2026 at 02:03:32PM +0200, Pratyush Yadav wrote:
>On Fri, Jul 03 2026, mdshahid03 at gmail.com wrote:
>
>> From: Mohammad Shahid <mdshahid03 at gmail.com>
>>
>> kvfree() safely handles NULL pointers, so the explicit NULL check
>> before calling kvfree() is unnecessary.
>>
>> This issue was reported by ifnullfree.cocci.
>>
>> Signed-off-by: Mohammad Shahid <mdshahid03 at gmail.com>
>
>Reviewed-by: Pratyush Yadav <pratyush at kernel.org>

Hi Pratyush,

Thanks for reviewing this patch!

>
>BTW, Sashiko [0] pointed out a bunch of problems in the surrounding code,
>and they seem to look legit. If you're interested, help in fixing them
>would be much appreciated.
>
>[0] https://sashiko.dev/#/patchset/20260703112642.65498-1-mdshahid03@gmail.com

I'll send a new version of
https://lore.kernel.org/kexec/20260501234342.2518281-1-coiby.xu@gmail.com/
soon which can address Sashiko's feedback scrutinized by Sourabh.

>
>[...]
>
>-- 
>Regards,
>Pratyush Yadav
>

-- 
Best regards,
Coiby