Fix for restoreFromFile cereal exception
This commit provides a fix for an issue in which the cereal
restoreFromFile() would crash the host software updater in the event
that a priority persistence file is empty.
Resolves openbmc/openbmc#2091
Change-Id: Icca5d68ef250e2662cd02075c6ba731e4ab768b0
Signed-off-by: Michael Tritz <mtritz@us.ibm.com>
diff --git a/serialize.hpp b/serialize.hpp
index 90210a5..4e6e99f 100644
--- a/serialize.hpp
+++ b/serialize.hpp
@@ -21,8 +21,9 @@
/** @brief Serialization function - restores activation information from file
* @param[in] versionId - The version for which to retrieve information.
* @param[in] priority - RedundancyPriority pointer for that version.
+ * @return true if restore was successful, false if not
*/
-void restoreFromFile(std::string versionId, uint8_t *priority);
+bool restoreFromFile(std::string versionId, uint8_t& priority);
/** @brief Removes the serial file for a given version.
* @param[in] versionId - The version for which to remove a file, if it exists.