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-rw-r--r--lib/idr.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/idr.c b/lib/idr.c
index c4afd94..36ff732 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -1048,7 +1048,7 @@ void ida_remove(struct ida *ida, int id)
__clear_bit(n, p->bitmap);
bitmap = (void *)p->ary[n];
- if (!test_bit(offset, bitmap->bitmap))
+ if (!bitmap || !test_bit(offset, bitmap->bitmap))
goto err;
/* update bitmap and remove it if empty */
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