Fix various harmless scan-build warnings.

FossilOrigin-Name: 54be9af4469d7e31ee852f67e5aa32996557c10de654a60103fd165d2fedf311

1 files changed, 4 insertions, 1 deletions

diff --git a/ext/session/sqlite3session.c b/ext/session/sqlite3session.c
index e7459b1af..a5538ddac 100644
--- a/ext/session/sqlite3session.c
+++ b/ext/session/sqlite3session.c
@@ -603,8 +603,10 @@ static int sessionPreupdateHash(
 ** the type byte).
 */
 static int sessionSerialLen(const u8 *a){
-  int e = *a;
+  int e;
   int n;
+  assert( a!=0 );
+  e = *a;
   if( e==0 || e==0xFF ) return 1;
   if( e==SQLITE_NULL ) return 1;
   if( e==SQLITE_INTEGER || e==SQLITE_FLOAT ) return 9;
@@ -5450,6 +5452,7 @@ static int sessionChangeMerge(
 ){
   SessionChange *pNew = 0;
   int rc = SQLITE_OK;
+  assert( aRec!=0 );
 
   if( !pExist ){
     pNew = (SessionChange *)sqlite3_malloc64(sizeof(SessionChange) + nRec);