[PATCH v5 5/9] keys/trusted_keys: fix PKWM output buffer cleanup

[sashiko-bot at kernel.org]

> The PKWM seal and unseal paths unconditionally free their output buffers,
> but the PLPKS helpers can return without initializing those pointers.
> 
> Initialize the output buffer pointers to NULL to make cleanup safe on early
> failure paths.
> 
> Fixes: c99fcb0d735b ("keys/trusted_keys: establish PKWM as a trusted source")
> Cc: stable at vger.kernel.org # 7.0
> Signed-off-by: Srish Srinivasan <ssrish at linux.ibm.com>

Sashiko has reviewed this patch and found no issues.

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