Add a missing walIndexUnmap() call to the checkpoint code. Change a couple of SQLITE_CANTOPEN constants to SQLITE_CANTOPEN_BKPT.

FossilOrigin-Name: 1f9e8c5c27ae2c68bc01d8e2bb2c662be7b3f161

1 files changed, 2 insertions, 1 deletions

diff --git a/src/wal.c b/src/wal.c
index 38bbe458c..30af69ff6 100644
--- a/src/wal.c
+++ b/src/wal.c
@@ -567,7 +567,7 @@ int sqlite3WalOpen(
   int nWal;                       /* Length of zWal in bytes */
 
   assert( zDb );
-  if( pVfs->xShmOpen==0 ) return SQLITE_CANTOPEN;
+  if( pVfs->xShmOpen==0 ) return SQLITE_CANTOPEN_BKPT;
 
   /* Allocate an instance of struct Wal to return. */
   *ppWal = 0;
@@ -1237,6 +1237,7 @@ int sqlite3WalCheckpoint(
   }
 
   /* Release the locks. */
+  walIndexUnmap(pWal);
   walSetLock(pWal, SQLITE_SHM_UNLOCK);
   return rc;
 }