Messages in this thread Patch in this message | | | From | xiaolinkui <> | Subject | [PATCH 1/3] lib: assoc_array: use struct_size() in kmalloc() | Date | Fri, 17 May 2019 15:26:48 +0800 |
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Use the new struct_size() helper to keep code simple.
Signed-off-by: xiaolinkui <xiaolinkui@kylinos.cn> --- lib/assoc_array.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/lib/assoc_array.c b/lib/assoc_array.c index edc3c14..0e69b5b 100644 --- a/lib/assoc_array.c +++ b/lib/assoc_array.c @@ -1494,8 +1494,7 @@ int assoc_array_gc(struct assoc_array *array, shortcut = assoc_array_ptr_to_shortcut(cursor); keylen = round_up(shortcut->skip_to_level, ASSOC_ARRAY_KEY_CHUNK_SIZE); keylen >>= ASSOC_ARRAY_KEY_CHUNK_SHIFT; - new_s = kmalloc(sizeof(struct assoc_array_shortcut) + - keylen * sizeof(unsigned long), GFP_KERNEL); + new_s = kmalloc(struct_size(new_s, index_key, keylen), GFP_KERNEL); if (!new_s) goto enomem; pr_devel("dup shortcut %p -> %p\n", shortcut, new_s); -- 2.7.4
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