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psa_crypto_storage: Annotate file removal after a failed creation

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Let static analyzers know that it's ok if psa_its_remove() fails here.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine 2020-08-25 22:50:06 +02:00
parent bab1b52048
commit 169ca7f06d
1 changed files with 7 additions and 1 deletions
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8
library/psa_crypto_storage.c
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@ -174,7 +174,13 @@ static psa_status_t psa_crypto_storage_store( const psa_key_file_id_t key,
exit: exit:
if( status != PSA_SUCCESS ) if( status != PSA_SUCCESS )
psa_its_remove( data_identifier ); {
/* Remove the file in case we managed to create it but something
* went wrong. It's ok if the file doesn't exist. If the file exists
* but the removal fails, we're already reporting an error so there's
* nothing else we can do. */
(void) psa_its_remove( data_identifier );
}
return( status ); return( status );
} }