ssh_cache: Add back description of other errors for cache getter
Signed-off-by: Pengyu Lv <pengyu.lv@arm.com>
diff --git a/include/mbedtls/ssl_cache.h b/include/mbedtls/ssl_cache.h
index 7009827..08f98b5 100644
--- a/include/mbedtls/ssl_cache.h
+++ b/include/mbedtls/ssl_cache.h
@@ -105,7 +105,8 @@
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_SSL_CACHE_ENTRY_NOT_FOUND if there is
- * no cache entry with specified session ID found.
+ * no cache entry with specified session ID found, or
+ * any other negative error code for other failures.
*/
int mbedtls_ssl_cache_get(void *data,
unsigned char const *session_id,