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-rw-r--r--bootloader_message/bootloader_message.cpp8
1 files changed, 7 insertions, 1 deletions
diff --git a/bootloader_message/bootloader_message.cpp b/bootloader_message/bootloader_message.cpp
index 9a5671843..294b1725d 100644
--- a/bootloader_message/bootloader_message.cpp
+++ b/bootloader_message/bootloader_message.cpp
@@ -164,7 +164,13 @@ bool clear_bootloader_message(std::string* err) {
}
bool write_bootloader_message(const std::vector<std::string>& options, std::string* err) {
- bootloader_message boot = {};
+ bootloader_message boot;
+ if (!read_bootloader_message(&boot, err)) {
+ return false;
+ }
+ // Zero out the entire fields.
+ memset(boot.command, 0, sizeof(boot.command));
+ memset(boot.recovery, 0, sizeof(boot.recovery));
strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
for (const auto& s : options) {