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authortsmith@ramayana.hindu.god <>2007-10-10 14:00:57 -0600
committertsmith@ramayana.hindu.god <>2007-10-10 14:00:57 -0600
commitced64f85823c7a9dcd6b9f952c136278567fa9f6 (patch)
treef1931f4b6b596a733e55a7ecbea7f547d7aa4611 /sql
parente2bfd46b42d98a78dcd0be48228962a486ada522 (diff)
downloadmariadb-git-ced64f85823c7a9dcd6b9f952c136278567fa9f6.tar.gz
Bug #31517: Potential crash due to access of NULL thd in mark_transaction_to_rollback()
Introduced in mark_transaction_to_rollback(), part of fix for bug 24989; fix is to check thd for NULL before using it.
Diffstat (limited to 'sql')
-rw-r--r--sql/sql_class.cc7
1 files changed, 5 insertions, 2 deletions
diff --git a/sql/sql_class.cc b/sql/sql_class.cc
index b67f63778dc..4a98a044e25 100644
--- a/sql/sql_class.cc
+++ b/sql/sql_class.cc
@@ -2241,8 +2241,11 @@ void THD::restore_sub_statement_state(Sub_statement_state *backup)
void mark_transaction_to_rollback(THD *thd, bool all)
{
- thd->is_fatal_sub_stmt_error= TRUE;
- thd->transaction_rollback_request= all;
+ if (thd)
+ {
+ thd->is_fatal_sub_stmt_error= TRUE;
+ thd->transaction_rollback_request= all;
+ }
}
/***************************************************************************
Handling of XA id cacheing