[PATCH] KEYS: trusted: Fix memory leak on object td

[Jarkko Sakkinen]

On Fri, Apr 30, 2021 at 12:37:24PM +0100, Colin King wrote:
> From: Colin Ian King <colin.king at canonical.com>
> 
> Two error return paths are neglecting to free allocated object td,
> causing a memory leak. Fix this by returning via the error return
> path that securely kfree's td.
> 
> Fixes clang scan-build warning:
> security/keys/trusted-keys/trusted_tpm1.c:496:10: warning: Potential
> memory leak [unix.Malloc]
> 
> Fixes: 5df16caada3f ("KEYS: trusted: Fix incorrect handling of tpm_get_random()")
> Signed-off-by: Colin Ian King <colin.king at canonical.com>
 
Reviewed-by: Jarkko Sakkinen <jarkko at kernel.org>

/Jarkko