Messages in this thread Patch in this message |  | | From | Andreas Gruenbacher <> | Subject | [PATCH v3 4/7] iomap: Fix iomap_dio_rw return value for user copies | Date | Fri, 23 Jul 2021 22:58:37 +0200 |
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When a user copy fails in one of the helpers of iomap_dio_rw, fail with -EFAULT instead of returning 0. This matches what iomap_dio_bio_actor already returns when it gets an -EFAULT from bio_iov_iter_get_pages.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com> --- fs/iomap/direct-io.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c index 9398b8c31323..cc0b4bc8861b 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -370,7 +370,7 @@ iomap_dio_hole_actor(loff_t length, struct iomap_dio *dio) { length = iov_iter_zero(length, dio->submit.iter); dio->size += length; - return length; + return length ?: -EFAULT; } static loff_t @@ -397,7 +397,7 @@ iomap_dio_inline_actor(struct inode *inode, loff_t pos, loff_t length, copied = copy_to_iter(iomap->inline_data + pos, length, iter); } dio->size += copied; - return copied; + return copied ?: -EFAULT; } static loff_t -- 2.26.3
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