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Commit d4e6e836 authored Jun 12, 2019 by Zhengyuan Liu Committed by Mike Snitzer Jul 09, 2019

dm log writes: use struct_size() to calculate size of pending_block



Use struct_size() to avoid open-coded equivalent that is prone to a type
mistake.

Signed-off-by: Zhengyuan Liu <liuzhengyuan@kylinos.cn>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

parent 9c81c99b

drivers/md/dm-log-writes.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -699,7 +699,7 @@ static int log_writes_map(struct dm_target ti, struct bio bio)
		if (discard_bio)
		alloc_size = sizeof(struct pending_block);
		else
		alloc_size = sizeof(struct pending_block) + sizeof(struct bio_vec) * bio_segments(bio);
		alloc_size = struct_size(block, vecs, bio_segments(bio));

		block = kzalloc(alloc_size, GFP_NOIO);
		if (!block) {