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ssl_cache: return error codes on error

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mbedtls_ssl_cache_get() and mbedtls_ssl_cache_set() returned 1 on many error
conditions. Change this to returning a negative MBEDTLS_ERR_xxx error code.

Completeness: after this commit, there are no longer any occurrences of
`return 1` or `ret = 1`.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2023-09-29 13:40:33 +02:00
parent 917dd8bd81
commit fe4d93ad4d
2 changed files with 24 additions and 16 deletions
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8
include/mbedtls/ssl_cache.h
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@@ -99,6 +99,11 @@ void mbedtls_ssl_cache_init(mbedtls_ssl_cache_context *cache);
*
* \param data SSL cache context
* \param session session to retrieve entry for
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_SSL_CACHE_ENTRY_NOT_FOUND if there is
* no cache entry with specified session ID found, or
* any other negative error code for other failures.
*/
int mbedtls_ssl_cache_get(void *data, mbedtls_ssl_session *session);
@@ -108,6 +113,9 @@ int mbedtls_ssl_cache_get(void *data, mbedtls_ssl_session *session);
*
* \param data SSL cache context
* \param session session to store entry for
*
* \return \c 0 on success.
* \return A negative error code on failure.
*/
int mbedtls_ssl_cache_set(void *data, const mbedtls_ssl_session *session);