From b8b637d770ef7aa9bc3971670cc8532b1f0d757e Mon Sep 17 00:00:00 2001 From: Ming Lei Date: Sat, 20 May 2023 23:11:34 +0800 Subject: [PATCH] ublk: fix build warning on iov_iter_get_pages2 Return type of iov_iter_get_pages2() is ssize_t instead of size_t, so fix it. Fixes: 981f95a571e3 ("ublk: cleanup ublk_copy_user_pages") Reported-by: kernel test robot Reported-by: Julia Lawall Signed-off-by: Ming Lei Link: https://lore.kernel.org/r/20230520151134.459679-1-ming.lei@redhat.com Signed-off-by: Jens Axboe --- drivers/block/ublk_drv.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c index e00733b..539eada 100644 --- a/drivers/block/ublk_drv.c +++ b/drivers/block/ublk_drv.c @@ -564,7 +564,8 @@ static size_t ublk_copy_user_pages(const struct request *req, while (iov_iter_count(uiter) && iter.bio) { unsigned nr_pages; - size_t len, off; + ssize_t len; + size_t off; int i; len = iov_iter_get_pages2(uiter, iter.pages, -- 2.7.4