Stop deleting reserve copy file for permission and role
In the case of successive sudden reboots, a write to the original file
may be interrupted again, and we should keep using an existing reserve
copy.
Bug: 324004645
Flag: EXEMPT bugfix
Test: presubmit
Change-Id: I982e23a4117cafae6fcfe2bac8f0531e8b72399c
diff --git a/services/permission/java/com/android/server/permission/access/util/AtomicFileExtensions.kt b/services/permission/java/com/android/server/permission/access/util/AtomicFileExtensions.kt
index 6b20ef1..996daf5 100644
--- a/services/permission/java/com/android/server/permission/access/util/AtomicFileExtensions.kt
+++ b/services/permission/java/com/android/server/permission/access/util/AtomicFileExtensions.kt
@@ -47,9 +47,8 @@
/** Write to actual file and reserve file. */
@Throws(IOException::class)
inline fun AtomicFile.writeWithReserveCopy(block: (FileOutputStream) -> Unit) {
- val reserveFile = File(baseFile.parentFile, baseFile.name + ".reservecopy")
- reserveFile.delete()
writeInlined(block)
+ val reserveFile = File(baseFile.parentFile, baseFile.name + ".reservecopy")
try {
FileInputStream(baseFile).use { inputStream ->
FileOutputStream(reserveFile).use { outputStream ->