bytes also hold the return value from iomap_write_end, which can contain
a negative error value. As bytes is always less than the page size even
the signed type can hold the entire possible range.
Fixes: c6f40468657d ("fsdax: decouple zeroing from the iomap buffered I/O code")
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
fs/iomap/buffered-io.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/iomap/buffered-io.c b/fs/iomap/buffered-io.c
index b1511255b4df8..ac040d607f4fe 100644
--- a/fs/iomap/buffered-io.c
+++ b/fs/iomap/buffered-io.c
@@ -883,7 +883,7 @@ static loff_t iomap_zero_iter(struct iomap_iter *iter, bool *did_zero)
do {
unsigned offset = offset_in_page(pos);
- size_t bytes = min_t(u64, PAGE_SIZE - offset, length);
+ ssize_t bytes = min_t(u64, PAGE_SIZE - offset, length);
struct page *page;
int status;
--
2.30.2
