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ublk: fix build warning on iov_iter_get_pages2
author
Ming Lei
<ming.lei@redhat.com>
Sat, 20 May 2023 15:11:34 +0000
(23:11 +0800)
committer
Jens Axboe
<axboe@kernel.dk>
Sun, 21 May 2023 02:18:32 +0000
(20:18 -0600)
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 <lkp@intel.com>
Reported-by: Julia Lawall <julia.lawall@inria.fr>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Link:
https://lore.kernel.org/r/20230520151134.459679-1-ming.lei@redhat.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
drivers/block/ublk_drv.c
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diff --git
a/drivers/block/ublk_drv.c
b/drivers/block/ublk_drv.c
index e00733b6fea83d13f8b82b35a266ef7c7116ed5e..539eada32861a4b03d04ce70ab302cf1ad417822 100644
(file)
--- 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,