Update bcachefs sources to 1a739db0b256 bcachefs; guard against overflow in btree...

[bcachefs-tools-debian] / libbcachefs / vstructs.h

diff --git a/libbcachefs/vstructs.h b/libbcachefs/vstructs.h
index a6561b4b36a6e15cf020a82ba2c6741659dbf757..2ad338e282da8263f2025f5a9241d37767f0b1d0 100644 (file)
--- a/libbcachefs/vstructs.h
+++ b/libbcachefs/vstructs.h
@@ -48,14 +48,14 @@
        ((void *)                       ((u64 *) (_s)->_data + __vstruct_u64s(_s)))
 
 #define vstruct_for_each(_s, _i)                                       \
-       for (_i = (_s)->start;                                          \
+       for (typeof(&(_s)->start[0]) _i = (_s)->start;                  \
             _i < vstruct_last(_s);                                     \
             _i = vstruct_next(_i))
 
-#define vstruct_for_each_safe(_s, _i, _t)                              \
-       for (_i = (_s)->start;                                          \
-            _i < vstruct_last(_s) && (_t = vstruct_next(_i), true);    \
-            _i = _t)
+#define vstruct_for_each_safe(_s, _i)                                  \
+       for (typeof(&(_s)->start[0]) _next, _i = (_s)->start;           \
+            _i < vstruct_last(_s) && (_next = vstruct_next(_i), true); \
+            _i = _next)
 
 #define vstruct_idx(_s, _idx)                                          \
        ((typeof(&(_s)->start[0])) ((_s)->_data + (_idx)))