fs_mgr: overlay: preserve errno android::gsi::IsGsiRunning()
Resulted in remount reporting an mount_all failure.
Test: adb-remount-test.sh
Bug: 126256072
Change-Id: Ib9567748e5c12b047e38869c07755eb741308df4
diff --git a/fs_mgr/fs_mgr_overlayfs.cpp b/fs_mgr/fs_mgr_overlayfs.cpp
index 40da36d..e61f588 100644
--- a/fs_mgr/fs_mgr_overlayfs.cpp
+++ b/fs_mgr/fs_mgr_overlayfs.cpp
@@ -769,9 +769,10 @@
// in recovery, fastbootd, or gsi mode, not allowed!
if (fs_mgr_access("/system/bin/recovery")) return true;
- if (android::gsi::IsGsiRunning()) return true;
-
- return false;
+ auto save_errno = errno;
+ auto ret = android::gsi::IsGsiRunning();
+ errno = save_errno;
+ return ret;
}
} // namespace