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-rw-r--r--mysys/hash.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mysys/hash.c b/mysys/hash.c
index acb5a9b4310..7129b62ba89 100644
--- a/mysys/hash.c
+++ b/mysys/hash.c
@@ -583,7 +583,8 @@ byte *hash_element(HASH *hash,uint idx)
void hash_replace(HASH *hash, uint idx, byte *new_row)
{
- dynamic_element(&hash->array,idx,HASH_LINK*)->data=new_row;
+ if (idx != NO_RECORD) /* Safety */
+ dynamic_element(&hash->array,idx,HASH_LINK*)->data=new_row;
}