diff options
Diffstat (limited to 'include/linux/generic-radix-tree.h')
| -rw-r--r-- | include/linux/generic-radix-tree.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/generic-radix-tree.h b/include/linux/generic-radix-tree.h index 107613f7d792..f6cd0f909d9f 100644 --- a/include/linux/generic-radix-tree.h +++ b/include/linux/generic-radix-tree.h @@ -38,6 +38,7 @@ #include <asm/page.h> #include <linux/bug.h> +#include <linux/limits.h> #include <linux/log2.h> #include <linux/math.h> #include <linux/types.h> @@ -184,6 +185,12 @@ void *__genradix_iter_peek(struct genradix_iter *, struct __genradix *, size_t); static inline void __genradix_iter_advance(struct genradix_iter *iter, size_t obj_size) { + if (iter->offset + obj_size < iter->offset) { + iter->offset = SIZE_MAX; + iter->pos = SIZE_MAX; + return; + } + iter->offset += obj_size; if (!is_power_of_2(obj_size) && |